505228364 has 12 divisors (see below), whose sum is σ = 888594000. Its totient is φ = 251344368.

The previous prime is 505228357. The next prime is 505228379. The reversal of 505228364 is 463822505.

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, 316559 + ... + 318150.

It is an arithmetic number, because the mean of its divisors is an integer number (74049500).

Almost surely, 2^505228364 is an apocalyptic number.

It is an amenable number.

505228364 is a deficient number, since it is larger than the sum of its proper divisors (383365636).

505228364 is a wasteful number, since it uses less digits than its factorization.

505228364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634912 (or 634910 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 505228364 is about 22477.2855122677. The cubic root of 505228364 is about 796.4574422611.

The spelling of 505228364 in words is "five hundred five million, two hundred twenty-eight thousand, three hundred sixty-four".