502825128 has 64 divisors (see below), whose sum is σ = 1357473600. Its totient is φ = 154291200.

The previous prime is 502825123. The next prime is 502825163. The reversal of 502825128 is 821528205.

It is not an unprimeable number, because it can be changed into a prime (502825123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123103 + ... + 127121.

It is an arithmetic number, because the mean of its divisors is an integer number (21210525).

Almost surely, 2^502825128 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 502825128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678736800).

502825128 is an abundant number, since it is smaller than the sum of its proper divisors (854648472).

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

502825128 is a wasteful number, since it uses less digits than its factorization.

502825128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4442 (or 4438 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 502825128 is about 22423.7625745547. The cubic root of 502825128 is about 795.1925897084.

The spelling of 502825128 in words is "five hundred two million, eight hundred twenty-five thousand, one hundred twenty-eight".