390038778914 has 16 divisors (see below), whose sum is σ = 624756222720. Its totient is φ = 182220563280.

The previous prime is 390038778893. The next prime is 390038778949. The reversal of 390038778914 is 419877830093.

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, 108462824 + ... + 108466419.

It is an arithmetic number, because the mean of its divisors is an integer number (39047263920).

Almost surely, 2^390038778914 is an apocalyptic number.

390038778914 is a deficient number, since it is larger than the sum of its proper divisors (234717443806).

390038778914 is a wasteful number, since it uses less digits than its factorization.

390038778914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216929305.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 390038778914 in words is "three hundred ninety billion, thirty-eight million, seven hundred seventy-eight thousand, nine hundred fourteen".