5742656856 has 48 divisors (see below), whose sum is σ = 15713388600. Its totient is φ = 1894482432.

The previous prime is 5742656851. The next prime is 5742656893. The reversal of 5742656856 is 6586562475.

5742656856 is a `hidden beast` number, since 5 + 7 + 4 + 26 + 568 + 56 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5742656851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404146 + ... + 418113.

Almost surely, 2^5742656856 is an apocalyptic number.

It is an amenable number.

5742656856 is an abundant number, since it is smaller than the sum of its proper divisors (9970731744).

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

5742656856 is a wasteful number, since it uses less digits than its factorization.

5742656856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822368 (or 822361 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 54.

The square root of 5742656856 is about 75780.3197142899. The cubic root of 5742656856 is about 1790.7609776913.

The spelling of 5742656856 in words is "five billion, seven hundred forty-two million, six hundred fifty-six thousand, eight hundred fifty-six".