251120832 has 84 divisors (see below), whose sum is σ = 687052728. Its totient is φ = 80947200.

The previous prime is 251120827. The next prime is 251120861. The reversal of 251120832 is 238021152.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183832 + ... + 185192.

Almost surely, 2^251120832 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 251120832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343526364).

251120832 is an abundant number, since it is smaller than the sum of its proper divisors (435931896).

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

251120832 is a wasteful number, since it uses less digits than its factorization.

251120832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 251120832 is about 15846.7924830232. The cubic root of 251120832 is about 630.9005614001.

Adding to 251120832 its reverse (238021152), we get a palindrome (489141984).

The spelling of 251120832 in words is "two hundred fifty-one million, one hundred twenty thousand, eight hundred thirty-two".