505361320 has 32 divisors (see below), whose sum is σ = 1145754720. Its totient is φ = 200599360.

The previous prime is 505361317. The next prime is 505361443. The reversal of 505361320 is 23163505.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42982 + ... + 53461.

It is an arithmetic number, because the mean of its divisors is an integer number (35804835).

Almost surely, 2^505361320 is an apocalyptic number.

It is an amenable number.

505361320 is an abundant number, since it is smaller than the sum of its proper divisors (640393400).

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

505361320 is a wasteful number, since it uses less digits than its factorization.

505361320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96585 (or 96581 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 505361320 is about 22480.2428812502. The cubic root of 505361320 is about 796.5273014347.

The spelling of 505361320 in words is "five hundred five million, three hundred sixty-one thousand, three hundred twenty".