505064140 has 48 divisors (see below), whose sum is σ = 1232046144. Its totient is φ = 170323200.

The previous prime is 505064129. The next prime is 505064167. The reversal of 505064140 is 41460505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21031 + ... + 38110.

It is an arithmetic number, because the mean of its divisors is an integer number (25667628).

Almost surely, 2^505064140 is an apocalyptic number.

It is an amenable number.

505064140 is an abundant number, since it is smaller than the sum of its proper divisors (726982004).

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

505064140 is a wasteful number, since it uses less digits than its factorization.

505064140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59218 (or 59216 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 505064140 is about 22473.6321052028. The cubic root of 505064140 is about 796.3711369975.

The spelling of 505064140 in words is "five hundred five million, sixty-four thousand, one hundred forty".