400707066704 has 80 divisors (see below), whose sum is σ = 934117534080. Its totient is φ = 162668943360.

The previous prime is 400707066703. The next prime is 400707066709. The reversal of 400707066704 is 407660707004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400707066703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24082772 + ... + 24099404.

It is an arithmetic number, because the mean of its divisors is an integer number (11676469176).

Almost surely, 2^400707066704 is an apocalyptic number.

It is an amenable number.

400707066704 is an abundant number, since it is smaller than the sum of its proper divisors (533410467376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400707066704 is a wasteful number, since it uses less digits than its factorization.

400707066704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27988 (or 27982 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 41.

The spelling of 400707066704 in words is "four hundred billion, seven hundred seven million, sixty-six thousand, seven hundred four".