505465580 has 24 divisors (see below), whose sum is σ = 1067840928. Its totient is φ = 200974208.

The previous prime is 505465553. The next prime is 505465637. The reversal of 505465580 is 85564505.

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, 72329 + ... + 79008.

It is an arithmetic number, because the mean of its divisors is an integer number (44493372).

Almost surely, 2^505465580 is an apocalyptic number.

It is an amenable number.

505465580 is an abundant number, since it is smaller than the sum of its proper divisors (562375348).

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

505465580 is a wasteful number, since it uses less digits than its factorization.

505465580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151513 (or 151511 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

The square root of 505465580 is about 22482.5616867829. The cubic root of 505465580 is about 796.5820742760.

The spelling of 505465580 in words is "five hundred five million, four hundred sixty-five thousand, five hundred eighty".