399614753922 has 32 divisors (see below), whose sum is σ = 810015410304. Its totient is φ = 131416656000.

The previous prime is 399614753917. The next prime is 399614753947. The reversal of 399614753922 is 229357416993.

It is a super-2 number, since 2×399614753922² (a number of 24 digits) contains 22 as substring.

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, 1003078 + ... + 1343649.

It is an arithmetic number, because the mean of its divisors is an integer number (25312981572).

Almost surely, 2^399614753922 is an apocalyptic number.

399614753922 is an abundant number, since it is smaller than the sum of its proper divisors (410400656382).

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

399614753922 is a wasteful number, since it uses less digits than its factorization.

399614753922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347114.

The product of its digits is 22044960, while the sum is 60.

The spelling of 399614753922 in words is "three hundred ninety-nine billion, six hundred fourteen million, seven hundred fifty-three thousand, nine hundred twenty-two".