15040232324664 has 32 divisors (see below), whose sum is σ = 37600688520720. Its totient is φ = 5013396413696.

The previous prime is 15040232324659. The next prime is 15040232324693. The reversal of 15040232324664 is 46642323204051.

It is a happy number.

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, 10728484 + ... + 12049100.

Almost surely, 2^{15040232324664} is an apocalyptic number.

It is an amenable number.

15040232324664 is an abundant number, since it is smaller than the sum of its proper divisors (22560456196056).

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

15040232324664 is a wasteful number, since it uses less digits than its factorization.

15040232324664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795159 (or 1795155 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 15040232324664 in words is "fifteen trillion, forty billion, two hundred thirty-two million, three hundred twenty-four thousand, six hundred sixty-four".