252655011904 has 63 divisors (see below), whose sum is σ = 508146838797. Its totient is φ = 124640619264.

The previous prime is 252655011797. The next prime is 252655011911. The reversal of 252655011904 is 409110556252.

The square root of 252655011904 is 502648.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 156088206400 + 96566805504 = 395080^2 + 310752^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 333757894 + ... + 333758650.

Almost surely, 2^252655011904 is an apocalyptic number.

252655011904 is the 502648-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252655011904

252655011904 is an abundant number, since it is smaller than the sum of its proper divisors (255491826893).

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

252655011904 is an frugal number, since it uses more digits than its factorization.

252655011904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 252655011904 in words is "two hundred fifty-two billion, six hundred fifty-five million, eleven thousand, nine hundred four".