390040056392 has 32 divisors (see below), whose sum is σ = 843914697600. Its totient is φ = 165537108864.

The previous prime is 390040056379. The next prime is 390040056401. The reversal of 390040056392 is 293650040093.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33804917 + ... + 33816452.

It is an arithmetic number, because the mean of its divisors is an integer number (26372334300).

Almost surely, 2^390040056392 is an apocalyptic number.

It is an amenable number.

390040056392 is an abundant number, since it is smaller than the sum of its proper divisors (453874641208).

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

390040056392 is a wasteful number, since it uses less digits than its factorization.

390040056392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67621485 (or 67621481 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 41.

The spelling of 390040056392 in words is "three hundred ninety billion, forty million, fifty-six thousand, three hundred ninety-two".