252148518820 has 48 divisors (see below), whose sum is σ = 578049268608. Its totient is φ = 91626888960.

The previous prime is 252148518803. The next prime is 252148518851. The reversal of 252148518820 is 28815841252.

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, 77697 + ... + 714376.

It is an arithmetic number, because the mean of its divisors is an integer number (12042693096).

Almost surely, 2^252148518820 is an apocalyptic number.

252148518820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252148518820 is an abundant number, since it is smaller than the sum of its proper divisors (325900749788).

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

252148518820 is a wasteful number, since it uses less digits than its factorization.

252148518820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793540 (or 793538 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 46.

The spelling of 252148518820 in words is "two hundred fifty-two billion, one hundred forty-eight million, five hundred eighteen thousand, eight hundred twenty".