250136628 has 24 divisors (see below), whose sum is σ = 667031232. Its totient is φ = 71467584.

The previous prime is 250136611. The next prime is 250136651. The reversal of 250136628 is 826631052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1488825 + ... + 1488992.

It is an arithmetic number, because the mean of its divisors is an integer number (27792968).

Almost surely, 2^250136628 is an apocalyptic number.

250136628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

250136628 is an abundant number, since it is smaller than the sum of its proper divisors (416894604).

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

250136628 is a wasteful number, since it uses less digits than its factorization.

250136628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977831 (or 2977829 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 250136628 is about 15815.7082674157. The cubic root of 250136628 is about 630.0752643766.

The spelling of 250136628 in words is "two hundred fifty million, one hundred thirty-six thousand, six hundred twenty-eight".