2251027656 has 48 divisors (see below), whose sum is σ = 6099510300. Its totient is φ = 749976192.

The previous prime is 2251027643. The next prime is 2251027693. The reversal of 2251027656 is 6567201522.

2251027656 is a `hidden beast` number, since 22 + 510 + 2 + 76 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1871946756 + 379080900 = 43266^2 + 19470^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2251027656.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169050 + ... + 181878.

Almost surely, 2^2251027656 is an apocalyptic number.

It is an amenable number.

2251027656 is an abundant number, since it is smaller than the sum of its proper divisors (3848482644).

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

2251027656 is a wasteful number, since it uses less digits than its factorization.

2251027656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15278 (or 15271 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 2251027656 is about 47444.9961112866. The cubic root of 2251027656 is about 1310.5701645631.

The spelling of 2251027656 in words is "two billion, two hundred fifty-one million, twenty-seven thousand, six hundred fifty-six".