15242579952 has 20 divisors (see below), whose sum is σ = 39376665000. Its totient is φ = 5080859968.

The previous prime is 15242579897. The next prime is 15242579953. The reversal of 15242579952 is 25997524251.

It is a super-2 number, since 2×15242579952² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15242579895 and 15242579904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15242579953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158776827 + ... + 158776922.

It is an arithmetic number, because the mean of its divisors is an integer number (1968833250).

Almost surely, 2^15242579952 is an apocalyptic number.

15242579952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15242579952 is an abundant number, since it is smaller than the sum of its proper divisors (24134085048).

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

15242579952 is a wasteful number, since it uses less digits than its factorization.

15242579952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317553760 (or 317553754 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 51.

The spelling of 15242579952 in words is "fifteen billion, two hundred forty-two million, five hundred seventy-nine thousand, nine hundred fifty-two".