2646268264 has 16 divisors (see below), whose sum is σ = 5031637920. Its totient is φ = 1304498160.

The previous prime is 2646268259. The next prime is 2646268271. The reversal of 2646268264 is 4628626462.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2328894 + ... + 2330029.

It is an arithmetic number, because the mean of its divisors is an integer number (314477370).

Almost surely, 2^2646268264 is an apocalyptic number.

It is an amenable number.

2646268264 is a deficient number, since it is larger than the sum of its proper divisors (2385369656).

2646268264 is a wasteful number, since it uses less digits than its factorization.

2646268264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4659000 (or 4658996 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 46.

The square root of 2646268264 is about 51441.8921113911. The cubic root of 2646268264 is about 1383.1776288226.

The spelling of 2646268264 in words is "two billion, six hundred forty-six million, two hundred sixty-eight thousand, two hundred sixty-four".