4939840656 has 45 divisors (see below), whose sum is σ = 13827053721. Its totient is φ = 1646332416.

The previous prime is 4939840649. The next prime is 4939840729. The reversal of 4939840656 is 6560489394.

The square root of 4939840656 is 70284.

It is a perfect power (a square), and thus also a powerful number.

4939840656 is a `hidden beast` number, since 493 + 98 + 4 + 0 + 65 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4670355600 + 269485056 = 68340^2 + 16416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 840480 + ... + 846336.

Almost surely, 2^4939840656 is an apocalyptic number.

4939840656 is the 70284-th square number.

It is an amenable number.

4939840656 is an abundant number, since it is smaller than the sum of its proper divisors (8887213065).

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

4939840656 is an frugal number, since it uses more digits than its factorization.

4939840656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11728 (or 5862 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The cubic root of 4939840656 is about 1703.0901874593.

The spelling of 4939840656 in words is "four billion, nine hundred thirty-nine million, eight hundred forty thousand, six hundred fifty-six".