400457020876 has 36 divisors (see below), whose sum is σ = 775923352344. Its totient is φ = 180697232320.

The previous prime is 400457020861. The next prime is 400457020877. The reversal of 400457020876 is 678020754004.

It is not an unprimeable number, because it can be changed into a prime (400457020877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2953366 + ... + 3085981.

It is an arithmetic number, because the mean of its divisors is an integer number (21553426454).

Almost surely, 2^400457020876 is an apocalyptic number.

It is an amenable number.

400457020876 is a deficient number, since it is larger than the sum of its proper divisors (375466331468).

400457020876 is a wasteful number, since it uses less digits than its factorization.

400457020876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6039510 (or 6039497 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 400457020876 in words is "four hundred billion, four hundred fifty-seven million, twenty thousand, eight hundred seventy-six".