15242579904 has 56 divisors (see below), whose sum is σ = 40897381248. Its totient is φ = 5009294080.

The previous prime is 15242579897. The next prime is 15242579953. The reversal of 15242579904 is 40997524251.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 545442 + ... + 572705.

Almost surely, 2^15242579904 is an apocalyptic number.

It is an amenable number.

15242579904 is an abundant number, since it is smaller than the sum of its proper divisors (25654801344).

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

15242579904 is a wasteful number, since it uses less digits than its factorization.

15242579904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118233 (or 1118223 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 15242579904 in words is "fifteen billion, two hundred forty-two million, five hundred seventy-nine thousand, nine hundred four".