390940283888 has 40 divisors (see below), whose sum is σ = 944349260160. Its totient is φ = 152314395840.

The previous prime is 390940283857. The next prime is 390940283917. The reversal of 390940283888 is 888382049093.

It is a self number, because there is not a number n which added to its sum of digits gives 390940283888.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158659598 + ... + 158662061.

It is an arithmetic number, because the mean of its divisors is an integer number (23608731504).

Almost surely, 2^390940283888 is an apocalyptic number.

It is an amenable number.

390940283888 is an abundant number, since it is smaller than the sum of its proper divisors (553408976272).

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

390940283888 is a wasteful number, since it uses less digits than its factorization.

390940283888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317321685 (or 317321679 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 62.

The spelling of 390940283888 in words is "three hundred ninety billion, nine hundred forty million, two hundred eighty-three thousand, eight hundred eighty-eight".