502328420 has 48 divisors (see below), whose sum is σ = 1155083328. Its totient is φ = 181983360.

The previous prime is 502328417. The next prime is 502328423. The reversal of 502328420 is 24823205.

It is an interprime number because it is at equal distance from previous prime (502328417) and next prime (502328423).

It is a self number, because there is not a number n which added to its sum of digits gives 502328420.

It is not an unprimeable number, because it can be changed into a prime (502328423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56819 + ... + 65061.

It is an arithmetic number, because the mean of its divisors is an integer number (24064236).

Almost surely, 2^502328420 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 502328420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577541664).

502328420 is an abundant number, since it is smaller than the sum of its proper divisors (652754908).

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

502328420 is a wasteful number, since it uses less digits than its factorization.

502328420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8540 (or 8538 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 502328420 is about 22412.6843550700. The cubic root of 502328420 is about 794.9306638896.

The spelling of 502328420 in words is "five hundred two million, three hundred twenty-eight thousand, four hundred twenty".