Charles Ellicott Commentary Daniel 2:47

"The king answered unto Daniel, and said, Of a truth your God is the God of gods, and the Lord of kings, and a revealer of secrets, seeing thou hast been able to reveal this secret." — Daniel 2:47 (ASV)

God of gods. —He does not acknowledge Jehovah as the true God, but deems Him worthy of a place in the Babylonian Pantheon.