2656375272 has 24 divisors (see below), whose sum is σ = 7194349890. Its totient is φ = 885458400.

The previous prime is 2656375261. The next prime is 2656375277. The reversal of 2656375272 is 2725736562.

2656375272 is a `hidden beast` number, since 2 + 6 + 5 + 6 + 375 + 272 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1339120836 + 1317254436 = 36594^2 + 36294^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (2656375277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18446979 + ... + 18447122.

Almost surely, 2^2656375272 is an apocalyptic number.

It is an amenable number.

2656375272 is an abundant number, since it is smaller than the sum of its proper divisors (4537974618).

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

2656375272 is a wasteful number, since it uses less digits than its factorization.

2656375272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36894113 (or 36894106 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 45.

The square root of 2656375272 is about 51540.0356228049. The cubic root of 2656375272 is about 1384.9363352681.

The spelling of 2656375272 in words is "two billion, six hundred fifty-six million, three hundred seventy-five thousand, two hundred seventy-two".