406504762066 has 32 divisors (see below), whose sum is σ = 658323630720. Its totient is φ = 187142990976.

The previous prime is 406504761989. The next prime is 406504762151. The reversal of 406504762066 is 660267405604.

It is a super-2 number, since 2×406504762066² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66999565 + ... + 67005631.

It is an arithmetic number, because the mean of its divisors is an integer number (20572613460).

Almost surely, 2^406504762066 is an apocalyptic number.

406504762066 is a deficient number, since it is larger than the sum of its proper divisors (251818868654).

406504762066 is a wasteful number, since it uses less digits than its factorization.

406504762066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12178.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 406504762066 in words is "four hundred six billion, five hundred four million, seven hundred sixty-two thousand, sixty-six".