2657810256 has 20 divisors (see below), whose sum is σ = 6866009952. Its totient is φ = 885936736.

The previous prime is 2657810201. The next prime is 2657810257. The reversal of 2657810256 is 6520187562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2657810257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27685476 + ... + 27685571.

Almost surely, 2^2657810256 is an apocalyptic number.

It is an amenable number.

2657810256 is an abundant number, since it is smaller than the sum of its proper divisors (4208199696).

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

2657810256 is a wasteful number, since it uses less digits than its factorization.

2657810256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55371058 (or 55371052 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 2657810256 is about 51553.9548046510. The cubic root of 2657810256 is about 1385.1856729967.

The spelling of 2657810256 in words is "two billion, six hundred fifty-seven million, eight hundred ten thousand, two hundred fifty-six".