250258428 has 72 divisors (see below), whose sum is σ = 765509472. Its totient is φ = 67295232.

The previous prime is 250258399. The next prime is 250258433. The reversal of 250258428 is 824852052.

250258428 is a `hidden beast` number, since 2 + 50 + 2 + 584 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 250258392 and 250258401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24925 + ... + 33492.

It is an arithmetic number, because the mean of its divisors is an integer number (10632076).

Almost surely, 2^250258428 is an apocalyptic number.

250258428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

250258428 is an abundant number, since it is smaller than the sum of its proper divisors (515251044).

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

250258428 is a wasteful number, since it uses less digits than its factorization.

250258428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58451 (or 58446 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 250258428 is about 15819.5584009163. The cubic root of 250258428 is about 630.1775161139.

The spelling of 250258428 in words is "two hundred fifty million, two hundred fifty-eight thousand, four hundred twenty-eight".