505363634660 has 48 divisors (see below), whose sum is σ = 1065465391872. Its totient is φ = 201345523200.

The previous prime is 505363634651. The next prime is 505363634687. The reversal of 505363634660 is 66436363505.

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, 24710399 + ... + 24730841.

It is an arithmetic number, because the mean of its divisors is an integer number (22197195664).

Almost surely, 2^505363634660 is an apocalyptic number.

It is an amenable number.

505363634660 is an abundant number, since it is smaller than the sum of its proper divisors (560101757212).

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

505363634660 is a wasteful number, since it uses less digits than its factorization.

505363634660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25284 (or 25282 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 47.

The spelling of 505363634660 in words is "five hundred five billion, three hundred sixty-three million, six hundred thirty-four thousand, six hundred sixty".