390072695364 has 81 divisors (see below), whose sum is σ = 1083918452799. Its totient is φ = 118191355920.

The previous prime is 390072695357. The next prime is 390072695387. The reversal of 390072695364 is 463596270093.

The square root of 390072695364 is 624558.

It is a perfect power (a square), and thus also a powerful number.

390072695364 is a `hidden beast` number, since 39 + 0 + 0 + 72 + 6 + 9 + 536 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 390072695364.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 41216097 + ... + 41225559.

Almost surely, 2^390072695364 is an apocalyptic number.

390072695364 is the 624558-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390072695364

390072695364 is an abundant number, since it is smaller than the sum of its proper divisors (693845757435).

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

390072695364 is an equidigital number, since it uses as much as digits as its factorization.

390072695364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18958 (or 9479 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 54.

The spelling of 390072695364 in words is "three hundred ninety billion, seventy-two million, six hundred ninety-five thousand, three hundred sixty-four".