399752112862232 has 48 divisors (see below), whose sum is σ = 846915011493840. Its totient is φ = 176479193624448.

The previous prime is 399752112862187. The next prime is 399752112862303. The reversal of 399752112862232 is 232268211257993.

It is a happy number.

It is a super-2 number, since 2×399752112862232² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6427678463 + ... + 6427740654.

It is an arithmetic number, because the mean of its divisors is an integer number (17644062739455).

Almost surely, 2^{399752112862232} is an apocalyptic number.

It is an amenable number.

399752112862232 is an abundant number, since it is smaller than the sum of its proper divisors (447162898631608).

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

399752112862232 is a wasteful number, since it uses less digits than its factorization.

399752112862232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12855419172 (or 12855419155 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 62.

The spelling of 399752112862232 in words is "three hundred ninety-nine trillion, seven hundred fifty-two billion, one hundred twelve million, eight hundred sixty-two thousand, two hundred thirty-two".