504340640855 has 16 divisors (see below), whose sum is σ = 613296230400. Its totient is φ = 398087982240.

The previous prime is 504340640801. The next prime is 504340640887. The reversal of 504340640855 is 558046043405.

It is not a de Polignac number, because 504340640855 - 2²⁰ = 504339592279 is a prime.

It is a congruent 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, 124760 + ... + 1012050.

It is an arithmetic number, because the mean of its divisors is an integer number (38331014400).

Almost surely, 2^504340640855 is an apocalyptic number.

504340640855 is a deficient number, since it is larger than the sum of its proper divisors (108955589545).

504340640855 is a wasteful number, since it uses less digits than its factorization.

504340640855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888814.

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 504340640855 in words is "five hundred four billion, three hundred forty million, six hundred forty thousand, eight hundred fifty-five".