15382799964 has 48 divisors (see below), whose sum is σ = 45578668800. Its totient is φ = 4395085488.

The previous prime is 15382799923. The next prime is 15382800089. The reversal of 15382799964 is 46999728351.

15382799964 is a `hidden beast` number, since 1 + 538 + 2 + 7 + 9 + 9 + 96 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10173054 + ... + 10174565.

It is an arithmetic number, because the mean of its divisors is an integer number (949555600).

Almost surely, 2^15382799964 is an apocalyptic number.

15382799964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15382799964 is an abundant number, since it is smaller than the sum of its proper divisors (30195868836).

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

15382799964 is a wasteful number, since it uses less digits than its factorization.

15382799964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20347639 (or 20347631 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The spelling of 15382799964 in words is "fifteen billion, three hundred eighty-two million, seven hundred ninety-nine thousand, nine hundred sixty-four".