2257376664 has 64 divisors (see below), whose sum is σ = 5777843040. Its totient is φ = 734745600.

The previous prime is 2257376621. The next prime is 2257376683. The reversal of 2257376664 is 4666737522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170574 + ... + 183330.

Almost surely, 2^2257376664 is an apocalyptic number.

2257376664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2257376664 is an abundant number, since it is smaller than the sum of its proper divisors (3520466376).

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

2257376664 is a wasteful number, since it uses less digits than its factorization.

2257376664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12940 (or 12936 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 48.

The square root of 2257376664 is about 47511.8581408894. The cubic root of 2257376664 is about 1311.8011593243.

The spelling of 2257376664 in words is "two billion, two hundred fifty-seven million, three hundred seventy-six thousand, six hundred sixty-four".