4961657256 has 32 divisors (see below), whose sum is σ = 12407035200. Its totient is φ = 1653500160.

The previous prime is 4961657227. The next prime is 4961657263. The reversal of 4961657256 is 6527561694.

It is a junction number, because it is equal to n+sod(n) for n = 4961657199 and 4961657208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92496 + ... + 135936.

It is an arithmetic number, because the mean of its divisors is an integer number (387719850).

Almost surely, 2^4961657256 is an apocalyptic number.

It is an amenable number.

4961657256 is an abundant number, since it is smaller than the sum of its proper divisors (7445377944).

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

4961657256 is a wasteful number, since it uses less digits than its factorization.

4961657256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48209 (or 48205 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 51.

The square root of 4961657256 is about 70439.0321909664. The cubic root of 4961657256 is about 1705.5937143953.

The spelling of 4961657256 in words is "four billion, nine hundred sixty-one million, six hundred fifty-seven thousand, two hundred fifty-six".