250120728 has 192 divisors, whose sum is σ = 843242400. Its totient is φ = 65802240.

The previous prime is 250120721. The next prime is 250120733. The reversal of 250120728 is 827021052.

250120728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250120721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 174318 + ... + 175746.

Almost surely, 2^250120728 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 250120728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421621200).

250120728 is an abundant number, since it is smaller than the sum of its proper divisors (593121672).

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

250120728 is a wasteful number, since it uses less digits than its factorization.

250120728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 250120728 is about 15815.2055946168. The cubic root of 250120728 is about 630.0619137942.

The spelling of 250120728 in words is "two hundred fifty million, one hundred twenty thousand, seven hundred twenty-eight".