640100595 has 32 divisors (see below), whose sum is σ = 1079769600. Its totient is φ = 322907904.

The previous prime is 640100561. The next prime is 640100621. The reversal of 640100595 is 595001046.

640100595 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 640100595 - 2⁷ = 640100467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233191 + ... + 235919.

It is an arithmetic number, because the mean of its divisors is an integer number (33742800).

Almost surely, 2^640100595 is an apocalyptic number.

640100595 is a deficient number, since it is larger than the sum of its proper divisors (439669005).

640100595 is a wasteful number, since it uses less digits than its factorization.

640100595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 640100595 is about 25300.2093864853. The cubic root of 640100595 is about 861.8190247635.

The spelling of 640100595 in words is "six hundred forty million, one hundred thousand, five hundred ninety-five".