400942869832 has 32 divisors (see below), whose sum is σ = 796034476800. Its totient is φ = 188668341504.

The previous prime is 400942869827. The next prime is 400942869851. The reversal of 400942869832 is 238968249004.

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 7 ways as a sum of consecutive naturals, for example, 2666269 + ... + 2812627.

It is an arithmetic number, because the mean of its divisors is an integer number (24876077400).

Almost surely, 2^400942869832 is an apocalyptic number.

It is an amenable number.

400942869832 is a deficient number, since it is larger than the sum of its proper divisors (395091606968).

400942869832 is a wasteful number, since it uses less digits than its factorization.

400942869832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166525 (or 166521 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 400942869832 in words is "four hundred billion, nine hundred forty-two million, eight hundred sixty-nine thousand, eight hundred thirty-two".