15090993684 has 120 divisors (see below), whose sum is σ = 43390034688. Its totient is φ = 4544527680.

The previous prime is 15090993677. The next prime is 15090993707. The reversal of 15090993684 is 48639909051.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 15090993684.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 159849 + ... + 236079.

Almost surely, 2^15090993684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15090993684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21695017344).

15090993684 is an abundant number, since it is smaller than the sum of its proper divisors (28299041004).

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

15090993684 is a wasteful number, since it uses less digits than its factorization.

15090993684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76307 (or 76296 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 15090993684 in words is "fifteen billion, ninety million, nine hundred ninety-three thousand, six hundred eighty-four".