2057511268 has 12 divisors (see below), whose sum is σ = 3610300540. Its totient is φ = 1025996832.

The previous prime is 2057511259. The next prime is 2057511289. The reversal of 2057511268 is 8621157502.

It can be written as a sum of positive squares in 2 ways, for example, as 1292546304 + 764964964 = 35952^2 + 27658^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688023 + ... + 691006.

Almost surely, 2^2057511268 is an apocalyptic number.

It is an amenable number.

2057511268 is a deficient number, since it is larger than the sum of its proper divisors (1552789272).

2057511268 is a wasteful number, since it uses less digits than its factorization.

2057511268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379406 (or 1379404 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 2057511268 is about 45359.7979272395. The cubic root of 2057511268 is about 1271.8837171037.

The spelling of 2057511268 in words is "two billion, fifty-seven million, five hundred eleven thousand, two hundred sixty-eight".