390149395056 has 30 divisors (see below), whose sum is σ = 1091876432400. Its totient is φ = 130049798304.

The previous prime is 390149395007. The next prime is 390149395063. The reversal of 390149395056 is 650593941093.

390149395056 is a `hidden beast` number, since 3 + 90 + 1 + 49 + 3 + 9 + 505 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 390149394993 and 390149395011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1354685256 + ... + 1354685543.

It is an arithmetic number, because the mean of its divisors is an integer number (36395881080).

Almost surely, 2^390149395056 is an apocalyptic number.

390149395056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

390149395056 is an abundant number, since it is smaller than the sum of its proper divisors (701727037344).

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

390149395056 is a wasteful number, since it uses less digits than its factorization.

390149395056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709370813 (or 2709370804 counting only the distinct ones).

The product of its (nonzero) digits is 3936600, while the sum is 54.

The spelling of 390149395056 in words is "three hundred ninety billion, one hundred forty-nine million, three hundred ninety-five thousand, fifty-six".