505004660 has 48 divisors (see below), whose sum is σ = 1089897984. Its totient is φ = 196459008.

The previous prime is 505004641. The next prime is 505004671. The reversal of 505004660 is 66400505.

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, 155372 + ... + 158588.

It is an arithmetic number, because the mean of its divisors is an integer number (22706208).

Almost surely, 2^505004660 is an apocalyptic number.

It is an amenable number.

505004660 is an abundant number, since it is smaller than the sum of its proper divisors (584893324).

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

505004660 is a wasteful number, since it uses less digits than its factorization.

505004660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440 (or 3438 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 505004660 is about 22472.3087376442. The cubic root of 505004660 is about 796.3398736317.

The spelling of 505004660 in words is "five hundred five million, four thousand, six hundred sixty".