2157751296 has 66 divisors (see below), whose sum is σ = 6230486652. Its totient is φ = 719247360.

The previous prime is 2157751261. The next prime is 2157751307. The reversal of 2157751296 is 6921577512.

2157751296 is a `hidden beast` number, since 2 + 1 + 577 + 51 + 29 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107850 + ... + 126281.

Almost surely, 2^2157751296 is an apocalyptic number.

It is an amenable number.

2157751296 is an abundant number, since it is smaller than the sum of its proper divisors (4072735356).

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

2157751296 is a wasteful number, since it uses less digits than its factorization.

2157751296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234157 (or 234136 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The square root of 2157751296 is about 46451.6016516115. The cubic root of 2157751296 is about 1292.2120762328.

The spelling of 2157751296 in words is "two billion, one hundred fifty-seven million, seven hundred fifty-one thousand, two hundred ninety-six".