2660426264 has 16 divisors (see below), whose sum is σ = 4993258200. Its totient is φ = 1328890752.

The previous prime is 2660426257. The next prime is 2660426269. The reversal of 2660426264 is 4626240662.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660426269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156722 + ... + 172865.

Almost surely, 2^2660426264 is an apocalyptic number.

It is an amenable number.

2660426264 is a deficient number, since it is larger than the sum of its proper divisors (2332831936).

2660426264 is a wasteful number, since it uses less digits than its factorization.

2660426264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330602 (or 330598 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The square root of 2660426264 is about 51579.3201195983. The cubic root of 2660426264 is about 1385.6399904253.

The spelling of 2660426264 in words is "two billion, six hundred sixty million, four hundred twenty-six thousand, two hundred sixty-four".