505360720 has 40 divisors (see below), whose sum is σ = 1179924480. Its totient is φ = 201290880.

The previous prime is 505360693. The next prime is 505360769. The reversal of 505360720 is 27063505.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent 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, 5905 + ... + 32335.

It is an arithmetic number, because the mean of its divisors is an integer number (29498112).

Almost surely, 2^505360720 is an apocalyptic number.

It is an amenable number.

505360720 is an abundant number, since it is smaller than the sum of its proper divisors (674563760).

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

505360720 is a wasteful number, since it uses less digits than its factorization.

505360720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26683 (or 26677 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 505360720 is about 22480.2295361947. The cubic root of 505360720 is about 796.5269862038.

The spelling of 505360720 in words is "five hundred five million, three hundred sixty thousand, seven hundred twenty".