252159180402 has 16 divisors (see below), whose sum is σ = 509984860320. Its totient is φ = 83108643552.

The previous prime is 252159180359. The next prime is 252159180451. The reversal of 252159180402 is 204081951252.

It is a super-2 number, since 2×252159180402² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236103568 + ... + 236104635.

It is an arithmetic number, because the mean of its divisors is an integer number (31874053770).

Almost surely, 2^252159180402 is an apocalyptic number.

252159180402 is an abundant number, since it is smaller than the sum of its proper divisors (257825679918).

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

252159180402 is a wasteful number, since it uses less digits than its factorization.

252159180402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472208297.

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 252159180402 in words is "two hundred fifty-two billion, one hundred fifty-nine million, one hundred eighty thousand, four hundred two".