505612288 has 48 divisors (see below), whose sum is σ = 1015822080. Its totient is φ = 251596800.

The previous prime is 505612267. The next prime is 505612297. The reversal of 505612288 is 882216505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554553 + ... + 555463.

It is an arithmetic number, because the mean of its divisors is an integer number (21162960).

Almost surely, 2^505612288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505612288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507911040).

505612288 is an abundant number, since it is smaller than the sum of its proper divisors (510209792).

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

505612288 is an equidigital number, since it uses as much as digits as its factorization.

505612288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 505612288 is about 22485.8241565658. The cubic root of 505612288 is about 796.6591343588.

The spelling of 505612288 in words is "five hundred five million, six hundred twelve thousand, two hundred eighty-eight".