252929388450 has 96 divisors (see below), whose sum is σ = 662701512960. Its totient is φ = 63736422400.

The previous prime is 252929388427. The next prime is 252929388469. The reversal of 252929388450 is 54883929252.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 414111 + ... + 823010.

It is an arithmetic number, because the mean of its divisors is an integer number (6903140760).

Almost surely, 2^252929388450 is an apocalyptic number.

252929388450 is an abundant number, since it is smaller than the sum of its proper divisors (409772124510).

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

252929388450 is a wasteful number, since it uses less digits than its factorization.

252929388450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237212 (or 1237207 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 252929388450 in words is "two hundred fifty-two billion, nine hundred twenty-nine million, three hundred eighty-eight thousand, four hundred fifty".