15040404352 has 64 divisors (see below), whose sum is σ = 31330605600. Its totient is φ = 7178389504.

The previous prime is 15040404331. The next prime is 15040404359. The reversal of 15040404352 is 25340404051.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 15040404352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15040404359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1493478 + ... + 1503514.

Almost surely, 2^15040404352 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 15040404352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15665302800).

15040404352 is an abundant number, since it is smaller than the sum of its proper divisors (16290201248).

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

15040404352 is a wasteful number, since it uses less digits than its factorization.

15040404352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10583 (or 10571 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 15040404352 in words is "fifteen billion, forty million, four hundred four thousand, three hundred fifty-two".