4057256992 has 24 divisors (see below), whose sum is σ = 8457591996. Its totient is φ = 1909297152.

The previous prime is 4057256989. The next prime is 4057256993. The reversal of 4057256992 is 2996527504.

It can be written as a sum of positive squares in 2 ways, for example, as 3721488016 + 335768976 = 61004^2 + 18324^2 .

It is a super-2 number, since 2×4057256992² = 32922668598265776128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4057256993) 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, 3728553 + ... + 3729640.

Almost surely, 2^4057256992 is an apocalyptic number.

It is an amenable number.

4057256992 is an abundant number, since it is smaller than the sum of its proper divisors (4400335004).

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

4057256992 is a wasteful number, since it uses less digits than its factorization.

4057256992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7458220 (or 7458212 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 4057256992 is about 63696.6011024136. The cubic root of 4057256992 is about 1594.9393480014.

The spelling of 4057256992 in words is "four billion, fifty-seven million, two hundred fifty-six thousand, nine hundred ninety-two".