15424345252 has 24 divisors (see below), whose sum is σ = 27728921024. Its totient is φ = 7501898592.

The previous prime is 15424345249. The next prime is 15424345291. The reversal of 15424345252 is 25254342451.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 745633 + ... + 766039.

Almost surely, 2^15424345252 is an apocalyptic number.

It is an amenable number.

15424345252 is a deficient number, since it is larger than the sum of its proper divisors (12304575772).

15424345252 is a wasteful number, since it uses less digits than its factorization.

15424345252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25555 (or 25553 counting only the distinct ones).

The product of its digits is 192000, while the sum is 37.

The spelling of 15424345252 in words is "fifteen billion, four hundred twenty-four million, three hundred forty-five thousand, two hundred fifty-two".