400476664 has 16 divisors (see below), whose sum is σ = 858164400. Its totient is φ = 171632832.

The previous prime is 400476649. The next prime is 400476677. The reversal of 400476664 is 466674004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3575629 + ... + 3575740.

It is an arithmetic number, because the mean of its divisors is an integer number (53635275).

Almost surely, 2^400476664 is an apocalyptic number.

It is an amenable number.

400476664 is an abundant number, since it is smaller than the sum of its proper divisors (457687736).

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

400476664 is a wasteful number, since it uses less digits than its factorization.

400476664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7151382 (or 7151378 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 400476664 is about 20011.9130519798. The cubic root of 400476664 is about 737.0988577473.

The spelling of 400476664 in words is "four hundred million, four hundred seventy-six thousand, six hundred sixty-four".