250228564416 has 140 divisors (see below), whose sum is σ = 744001910520. Its totient is φ = 83156958720.

The previous prime is 250228564373. The next prime is 250228564433. The reversal of 250228564416 is 614465822052.

250228564416 is a `hidden beast` number, since 2 + 5 + 0 + 228 + 5 + 6 + 4 + 416 = 666.

It is a super-2 number, since 2×250228564416² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1642990 + ... + 1788818.

Almost surely, 2^250228564416 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 250228564416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372000955260).

250228564416 is an abundant number, since it is smaller than the sum of its proper divisors (493773346104).

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

250228564416 is a wasteful number, since it uses less digits than its factorization.

250228564416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146184 (or 146165 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 250228564416 in words is "two hundred fifty billion, two hundred twenty-eight million, five hundred sixty-four thousand, four hundred sixteen".