505396368 has 40 divisors (see below), whose sum is σ = 1450676000. Its totient is φ = 168465312.

The previous prime is 505396363. The next prime is 505396387. The reversal of 505396368 is 863693505.

505396368 is a `hidden beast` number, since 5 + 0 + 5 + 3 + 9 + 636 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (505396361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584518 + ... + 585381.

It is an arithmetic number, because the mean of its divisors is an integer number (36266900).

Almost surely, 2^505396368 is an apocalyptic number.

It is an amenable number.

505396368 is an abundant number, since it is smaller than the sum of its proper divisors (945279632).

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

505396368 is a wasteful number, since it uses less digits than its factorization.

505396368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169916 (or 1169904 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 505396368 is about 22481.0223966794. The cubic root of 505396368 is about 796.5457146917.

The spelling of 505396368 in words is "five hundred five million, three hundred ninety-six thousand, three hundred sixty-eight".