8256841264 has 40 divisors (see below), whose sum is σ = 18777150368. Its totient is φ = 3443005440.

The previous prime is 8256841261. The next prime is 8256841283. The reversal of 8256841264 is 4621486528.

It is not an unprimeable number, because it can be changed into a prime (8256841261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992097 + ... + 1000384.

Almost surely, 2^8256841264 is an apocalyptic number.

It is an amenable number.

8256841264 is an abundant number, since it is smaller than the sum of its proper divisors (10520309104).

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

8256841264 is a wasteful number, since it uses less digits than its factorization.

8256841264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992533 (or 1992527 counting only the distinct ones).

The product of its digits is 737280, while the sum is 46.

The square root of 8256841264 is about 90867.1627377019. The cubic root of 8256841264 is about 2021.1783850848.

The spelling of 8256841264 in words is "eight billion, two hundred fifty-six million, eight hundred forty-one thousand, two hundred sixty-four".