400907853448 has 64 divisors (see below), whose sum is σ = 774113760000. Its totient is φ = 194532026880.

The previous prime is 400907853391. The next prime is 400907853469. The reversal of 400907853448 is 844358709004.

It is a junction number, because it is equal to n+sod(n) for n = 400907853395 and 400907853404.

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, 51880161 + ... + 51887887.

It is an arithmetic number, because the mean of its divisors is an integer number (12095527500).

Almost surely, 2^400907853448 is an apocalyptic number.

It is an amenable number.

400907853448 is a deficient number, since it is larger than the sum of its proper divisors (373205906552).

400907853448 is a wasteful number, since it uses less digits than its factorization.

400907853448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8590 (or 8586 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 400907853448 in words is "four hundred billion, nine hundred seven million, eight hundred fifty-three thousand, four hundred forty-eight".