2331644264 has 32 divisors (see below), whose sum is σ = 4458282120. Its totient is φ = 1142808576.

The previous prime is 2331644239. The next prime is 2331644267. The reversal of 2331644264 is 4624461332.

It can be written as a sum of positive squares in 4 ways, for example, as 2228784100 + 102860164 = 47210^2 + 10142^2 .

It is not an unprimeable number, because it can be changed into a prime (2331644267) 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, 741704 + ... + 744840.

Almost surely, 2^2331644264 is an apocalyptic number.

It is an amenable number.

2331644264 is a deficient number, since it is larger than the sum of its proper divisors (2126637856).

2331644264 is a wasteful number, since it uses less digits than its factorization.

2331644264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949 (or 4945 counting only the distinct ones).

The product of its digits is 82944, while the sum is 35.

The square root of 2331644264 is about 48287.1024601808. The cubic root of 2331644264 is about 1326.0322823520.

The spelling of 2331644264 in words is "two billion, three hundred thirty-one million, six hundred forty-four thousand, two hundred sixty-four".