252316015520 has 96 divisors (see below), whose sum is σ = 631293300288. Its totient is φ = 94969663488.

The previous prime is 252316015513. The next prime is 252316015531. The reversal of 252316015520 is 25510613252.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 22959467 + ... + 22970453.

It is an arithmetic number, because the mean of its divisors is an integer number (6575971878).

Almost surely, 2^252316015520 is an apocalyptic number.

252316015520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252316015520 is an abundant number, since it is smaller than the sum of its proper divisors (378977284768).

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

252316015520 is a wasteful number, since it uses less digits than its factorization.

252316015520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19462 (or 19454 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 252316015520 its reverse (25510613252), we get a palindrome (277826628772).

The spelling of 252316015520 in words is "two hundred fifty-two billion, three hundred sixteen million, fifteen thousand, five hundred twenty".