2257400328 has 32 divisors (see below), whose sum is σ = 5646620160. Its totient is φ = 752050880.

The previous prime is 2257400323. The next prime is 2257400329. The reversal of 2257400328 is 8230047522.

It is not an unprimeable number, because it can be changed into a prime (2257400323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19993 + ... + 70103.

It is an arithmetic number, because the mean of its divisors is an integer number (176456880).

Almost surely, 2^2257400328 is an apocalyptic number.

It is an amenable number.

2257400328 is an abundant number, since it is smaller than the sum of its proper divisors (3389219832).

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

2257400328 is a wasteful number, since it uses less digits than its factorization.

2257400328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51997 (or 51993 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 2257400328 is about 47512.1071728039. The cubic root of 2257400328 is about 1311.8057431634.

The spelling of 2257400328 in words is "two billion, two hundred fifty-seven million, four hundred thousand, three hundred twenty-eight".