15714328464 has 60 divisors (see below), whose sum is σ = 45050952492. Its totient is φ = 5110348800.

The previous prime is 15714328447. The next prime is 15714328477. The reversal of 15714328464 is 46482341751.

15714328464 is a `hidden beast` number, since 1 + 571 + 4 + 32 + 8 + 46 + 4 = 666.

15714328464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5349459600 + 10364868864 = 73140^2 + 101808^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1324917 + ... + 1336724.

Almost surely, 2^15714328464 is an apocalyptic number.

It is an amenable number.

15714328464 is an abundant number, since it is smaller than the sum of its proper divisors (29336624028).

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

15714328464 is a wasteful number, since it uses less digits than its factorization.

15714328464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661696 (or 2661687 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The spelling of 15714328464 in words is "fifteen billion, seven hundred fourteen million, three hundred twenty-eight thousand, four hundred sixty-four".