504664290 has 64 divisors (see below), whose sum is σ = 1449302400. Its totient is φ = 124224192.

The previous prime is 504664267. The next prime is 504664291. The reversal of 504664290 is 92466405.

504664290 is a `hidden beast` number, since 5 + 0 + 4 + 6 + 642 + 9 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (504664291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68380 + ... + 75399.

It is an arithmetic number, because the mean of its divisors is an integer number (22645350).

Almost surely, 2^504664290 is an apocalyptic number.

504664290 is an abundant number, since it is smaller than the sum of its proper divisors (944638110).

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

504664290 is a wasteful number, since it uses less digits than its factorization.

504664290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143808 (or 143802 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 504664290 is about 22464.7343629966. The cubic root of 504664290 is about 796.1609240480.

It can be divided in two parts, 50466 and 4290, that added together give a square (54756 = 234²).

The spelling of 504664290 in words is "five hundred four million, six hundred sixty-four thousand, two hundred ninety".