2640226595 has 4 divisors (see below), whose sum is σ = 3168271920. Its totient is φ = 2112181272.

The previous prime is 2640226591. The next prime is 2640226601. The reversal of 2640226595 is 5956220462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2640226595 - 2² = 2640226591 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2640226591) by changing a digit.

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, 264022655 + ... + 264022664.

It is an arithmetic number, because the mean of its divisors is an integer number (792067980).

Almost surely, 2^2640226595 is an apocalyptic number.

2640226595 is a deficient number, since it is larger than the sum of its proper divisors (528045325).

2640226595 is an equidigital number, since it uses as much as digits as its factorization.

2640226595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528045324.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 2640226595 is about 51383.1353169501. The cubic root of 2640226595 is about 1382.1241869758.

The spelling of 2640226595 in words is "two billion, six hundred forty million, two hundred twenty-six thousand, five hundred ninety-five".