15642652224 has 112 divisors (see below), whose sum is σ = 42005504000. Its totient is φ = 5136708096.

The previous prime is 15642652219. The next prime is 15642652243. The reversal of 15642652224 is 42225624651.

Its product of digits (230400) is a multiple of the sum of its prime factors (2400).

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, 9206127 + ... + 9207825.

Almost surely, 2^15642652224 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 15642652224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21002752000).

15642652224 is an abundant number, since it is smaller than the sum of its proper divisors (26362851776).

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

15642652224 is a wasteful number, since it uses less digits than its factorization.

15642652224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400 (or 2390 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

The spelling of 15642652224 in words is "fifteen billion, six hundred forty-two million, six hundred fifty-two thousand, two hundred twenty-four".