390705691496 has 32 divisors (see below), whose sum is σ = 761898482400. Its totient is φ = 187681717440.

The previous prime is 390705691489. The next prime is 390705691511. The reversal of 390705691496 is 694196507093.

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, 9288626 + ... + 9330593.

It is an arithmetic number, because the mean of its divisors is an integer number (23809327575).

Almost surely, 2^390705691496 is an apocalyptic number.

It is an amenable number.

390705691496 is a deficient number, since it is larger than the sum of its proper divisors (371192790904).

390705691496 is a wasteful number, since it uses less digits than its factorization.

390705691496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18619329 (or 18619325 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 59.

The spelling of 390705691496 in words is "three hundred ninety billion, seven hundred five million, six hundred ninety-one thousand, four hundred ninety-six".