504990238218 has 32 divisors (see below), whose sum is σ = 1012093899264. Its totient is φ = 167978067312.

The previous prime is 504990238127. The next prime is 504990238219. The reversal of 504990238218 is 812832099405.

It is not an unprimeable number, because it can be changed into a prime (504990238219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9507571 + ... + 9560537.

It is an arithmetic number, because the mean of its divisors is an integer number (31627934352).

Almost surely, 2^504990238218 is an apocalyptic number.

504990238218 is an abundant number, since it is smaller than the sum of its proper divisors (507103661046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

504990238218 is a wasteful number, since it uses less digits than its factorization.

504990238218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56266.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 504990238218 in words is "five hundred four billion, nine hundred ninety million, two hundred thirty-eight thousand, two hundred eighteen".