15275439842 has 48 divisors (see below), whose sum is σ = 26448624000. Its totient is φ = 6594374592.

The previous prime is 15275439833. The next prime is 15275439853. The reversal of 15275439842 is 24893457251.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 492284 + ... + 522392.

It is an arithmetic number, because the mean of its divisors is an integer number (551013000).

Almost surely, 2^15275439842 is an apocalyptic number.

15275439842 is a deficient number, since it is larger than the sum of its proper divisors (11173184158).

15275439842 is a wasteful number, since it uses less digits than its factorization.

15275439842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30235 (or 30222 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 50.

The spelling of 15275439842 in words is "fifteen billion, two hundred seventy-five million, four hundred thirty-nine thousand, eight hundred forty-two".