251344412328 has 32 divisors (see below), whose sum is σ = 628977736800. Its totient is φ = 83699243328.

The previous prime is 251344412323. The next prime is 251344412357. The reversal of 251344412328 is 823214443152.

251344412328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (251344412323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5114251 + ... + 5163162.

It is an arithmetic number, because the mean of its divisors is an integer number (19655554275).

Almost surely, 2^251344412328 is an apocalyptic number.

It is an amenable number.

251344412328 is an abundant number, since it is smaller than the sum of its proper divisors (377633324472).

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

251344412328 is a wasteful number, since it uses less digits than its factorization.

251344412328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10278441 (or 10278437 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The spelling of 251344412328 in words is "two hundred fifty-one billion, three hundred forty-four million, four hundred twelve thousand, three hundred twenty-eight".