250945728 has 56 divisors (see below), whose sum is σ = 724326720. Its totient is φ = 76043520.

The previous prime is 250945727. The next prime is 250945763. The reversal of 250945728 is 827549052.

It is a self number, because there is not a number n which added to its sum of digits gives 250945728.

It is not an unprimeable number, because it can be changed into a prime (250945727) 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, 57298 + ... + 61521.

Almost surely, 2^250945728 is an apocalyptic number.

It is an amenable number.

250945728 is an abundant number, since it is smaller than the sum of its proper divisors (473380992).

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

250945728 is a wasteful number, since it uses less digits than its factorization.

250945728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118845 (or 118835 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 250945728 is about 15841.2666160254. The cubic root of 250945728 is about 630.7538871235.

The spelling of 250945728 in words is "two hundred fifty million, nine hundred forty-five thousand, seven hundred twenty-eight".