Exodus 24:18 And Moses went into the midst of the cloud, and gat him up into the mount: and Moses was in the mount forty days and forty nights. 12 I MC VC

Exodus 34:28 And he was there with the Lord forty days and forty nights; he did neither eat bread, nor drink water. And he wrote upon the tables the words of the covenant, the ten commandments. 12 I MC VC

Deuteronomy 9:9 When I was gone up into the mount to receive the tables of stone, even the tables of the covenant which the Lord made with you, then I abode in the mount forty days and forty nights, I neither did eat bread nor drink water: 10 I MC VC

Deuteronomy 9:25 Thus I fell down before the Lord forty days and forty nights, as I fell down at the first; because the Lord had said he would destroy you. 10 I MC VC