640012792595 has 8 divisors (see below), whose sum is σ = 837834928560. Its totient is φ = 465463849120.

The previous prime is 640012792579. The next prime is 640012792651. The reversal of 640012792595 is 595297210046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 640012792595 - 2⁴ = 640012792579 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5818298060 + ... + 5818298169.

It is an arithmetic number, because the mean of its divisors is an integer number (104729366070).

Almost surely, 2^640012792595 is an apocalyptic number.

640012792595 is a deficient number, since it is larger than the sum of its proper divisors (197822135965).

640012792595 is a wasteful number, since it uses less digits than its factorization.

640012792595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11636596245.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 640012792595 in words is "six hundred forty billion, twelve million, seven hundred ninety-two thousand, five hundred ninety-five".