2640025264 has 20 divisors (see below), whose sum is σ = 5165696160. Its totient is φ = 1306942400.

The previous prime is 2640025249. The next prime is 2640025277. The reversal of 2640025264 is 4625200462.

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 3 ways as a sum of consecutive naturals, for example, 815224 + ... + 818455.

It is an arithmetic number, because the mean of its divisors is an integer number (258284808).

Almost surely, 2^2640025264 is an apocalyptic number.

It is an amenable number.

2640025264 is a deficient number, since it is larger than the sum of its proper divisors (2525670896).

2640025264 is a wasteful number, since it uses less digits than its factorization.

2640025264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633788 (or 1633782 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 2640025264 is about 51381.1761640389. The cubic root of 2640025264 is about 1382.0890546986.

The spelling of 2640025264 in words is "two billion, six hundred forty million, twenty-five thousand, two hundred sixty-four".