4000060656 has 30 divisors (see below), whose sum is σ = 11194614600. Its totient is φ = 1333353504.

The previous prime is 4000060627. The next prime is 4000060667. The reversal of 4000060656 is 6560600004.

4000060656 is a `hidden beast` number, since 4 + 0 + 0 + 0 + 0 + 6 + 0 + 656 = 666.

4000060656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 13888956 + ... + 13889243.

It is an arithmetic number, because the mean of its divisors is an integer number (373153820).

Almost surely, 2^4000060656 is an apocalyptic number.

It is an amenable number.

4000060656 is an abundant number, since it is smaller than the sum of its proper divisors (7194553944).

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

4000060656 is a wasteful number, since it uses less digits than its factorization.

4000060656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27778213 (or 27778204 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 4000060656 is about 63246.0327293341. The cubic root of 4000060656 is about 1587.4090757108.

The spelling of 4000060656 in words is "four billion, sixty thousand, six hundred fifty-six".