2640037116625 has 16 divisors (see below), whose sum is σ = 3295795471488. Its totient is φ = 2111369982000.

The previous prime is 2640037116617. The next prime is 2640037116683. The reversal of 2640037116625 is 5266117300462.

It is not a de Polignac number, because 2640037116625 - 2³ = 2640037116617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2896581 + ... + 3697330.

It is an arithmetic number, because the mean of its divisors is an integer number (205987216968).

Almost surely, 2^{2640037116625} is an apocalyptic number.

2640037116625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2640037116625 is a deficient number, since it is larger than the sum of its proper divisors (655758354863).

2640037116625 is an equidigital number, since it uses as much as digits as its factorization.

2640037116625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6597129 (or 6597119 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 2640037116625 in words is "two trillion, six hundred forty billion, thirty-seven million, one hundred sixteen thousand, six hundred twenty-five".