2657805996 has 24 divisors (see below), whose sum is σ = 6207071920. Its totient is φ = 885146112.

The previous prime is 2657805989. The next prime is 2657806001. The reversal of 2657805996 is 6995087562.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84541 + ... + 111636.

Almost surely, 2^2657805996 is an apocalyptic number.

It is an amenable number.

2657805996 is an abundant number, since it is smaller than the sum of its proper divisors (3549265924).

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

2657805996 is a wasteful number, since it uses less digits than its factorization.

2657805996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197313 (or 197311 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 57.

The square root of 2657805996 is about 51553.9134886965. The cubic root of 2657805996 is about 1385.1849329270.

The spelling of 2657805996 in words is "two billion, six hundred fifty-seven million, eight hundred five thousand, nine hundred ninety-six".