400152864208 has 20 divisors (see below), whose sum is σ = 775306189728. Its totient is φ = 200073847520.

The previous prime is 400152864131. The next prime is 400152864239. The reversal of 400152864208 is 802468251004.

It is a happy number.

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, 1960413 + ... + 2154883.

Almost surely, 2^400152864208 is an apocalyptic number.

It is an amenable number.

400152864208 is a deficient number, since it is larger than the sum of its proper divisors (375153325520).

400152864208 is a wasteful number, since it uses less digits than its factorization.

400152864208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323082 (or 323076 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 400152864208 in words is "four hundred billion, one hundred fifty-two million, eight hundred sixty-four thousand, two hundred eight".