252140888192 has 24 divisors (see below), whose sum is σ = 502323243615. Its totient is φ = 126067603584.

The previous prime is 252140888183. The next prime is 252140888249. The reversal of 252140888192 is 291888041252.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

252140888192 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 126070444096 + 126070444096 = 355064^2 + 355064^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=355064.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252140888192.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5658833 + ... + 5703215.

Almost surely, 2^252140888192 is an apocalyptic number.

It is an amenable number.

252140888192 is a deficient number, since it is larger than the sum of its proper divisors (250182355423).

252140888192 is an frugal number, since it uses more digits than its factorization.

252140888192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88780 (or 44385 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 50.

Multiplying 252140888192 by its sum of digits (50), we get a square (12607044409600 = 3550640²).

The spelling of 252140888192 in words is "two hundred fifty-two billion, one hundred forty million, eight hundred eighty-eight thousand, one hundred ninety-two".