250661568 has 56 divisors (see below), whose sum is σ = 666221680. Its totient is φ = 83174400.

The previous prime is 250661561. The next prime is 250661591. The reversal of 250661568 is 865166052.

It is not an unprimeable number, because it can be changed into a prime (250661561) by changing a digit.

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, 41118 + ... + 46818.

Almost surely, 2^250661568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250661568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333110840).

250661568 is an abundant number, since it is smaller than the sum of its proper divisors (415560112).

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

250661568 is a wasteful number, since it uses less digits than its factorization.

250661568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5945 (or 5935 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 250661568 is about 15832.2950957844. The cubic root of 250661568 is about 630.5157178040.

The spelling of 250661568 in words is "two hundred fifty million, six hundred sixty-one thousand, five hundred sixty-eight".