390132442536 has 64 divisors (see below), whose sum is σ = 1032775142400. Its totient is φ = 122386003968.

The previous prime is 390132442523. The next prime is 390132442541. The reversal of 390132442536 is 635244231093.

It is a super-2 number, since 2×390132442536² (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, 8624185 + ... + 8669303.

It is an arithmetic number, because the mean of its divisors is an integer number (16137111600).

Almost surely, 2^390132442536 is an apocalyptic number.

It is an amenable number.

390132442536 is an abundant number, since it is smaller than the sum of its proper divisors (642642699864).

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

390132442536 is a wasteful number, since it uses less digits than its factorization.

390132442536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66338 (or 66334 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 390132442536 in words is "three hundred ninety billion, one hundred thirty-two million, four hundred forty-two thousand, five hundred thirty-six".