505516368 has 40 divisors (see below), whose sum is σ = 1492477888. Its totient is φ = 144433152.

The previous prime is 505516327. The next prime is 505516387. The reversal of 505516368 is 863615505.

It is a super-2 number, since 2×505516368² = 511093596631822848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751921 + ... + 752592.

Almost surely, 2^505516368 is an apocalyptic number.

It is an amenable number.

505516368 is an abundant number, since it is smaller than the sum of its proper divisors (986961520).

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

505516368 is a wasteful number, since it uses less digits than its factorization.

505516368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504531 (or 1504525 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 505516368 is about 22483.6911560357. The cubic root of 505516368 is about 796.6087529508.

The spelling of 505516368 in words is "five hundred five million, five hundred sixteen thousand, three hundred sixty-eight".