390188339516 has 12 divisors (see below), whose sum is σ = 694023522360. Its totient is φ = 191895904560.

The previous prime is 390188339507. The next prime is 390188339521. The reversal of 390188339516 is 615933881093.

It is a super-2 number, since 2×390188339516² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 799566026 + ... + 799566513.

It is an arithmetic number, because the mean of its divisors is an integer number (57835293530).

Almost surely, 2^390188339516 is an apocalyptic number.

It is an amenable number.

390188339516 is a deficient number, since it is larger than the sum of its proper divisors (303835182844).

390188339516 is a wasteful number, since it uses less digits than its factorization.

390188339516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599132604 (or 1599132602 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 390188339516 in words is "three hundred ninety billion, one hundred eighty-eight million, three hundred thirty-nine thousand, five hundred sixteen".