250139025164 has 24 divisors (see below), whose sum is σ = 502897317888. Its totient is φ = 106641167760.

The previous prime is 250139025161. The next prime is 250139025173. The reversal of 250139025164 is 461520931052.

It is not an unprimeable number, because it can be changed into a prime (250139025161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23380874 + ... + 23391569.

It is an arithmetic number, because the mean of its divisors is an integer number (20954054912).

Almost surely, 2^250139025164 is an apocalyptic number.

It is an amenable number.

250139025164 is an abundant number, since it is smaller than the sum of its proper divisors (252758292724).

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

250139025164 is a wasteful number, since it uses less digits than its factorization.

250139025164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46772645 (or 46772643 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 250139025164 in words is "two hundred fifty billion, one hundred thirty-nine million, twenty-five thousand, one hundred sixty-four".