502442820 has 432 divisors, whose sum is σ = 1882258560. Its totient is φ = 107796480.

The previous prime is 502442819. The next prime is 502442833. The reversal of 502442820 is 28244205.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 8515951 + ... + 8516009.

It is an arithmetic number, because the mean of its divisors is an integer number (4357080).

Almost surely, 2^502442820 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 502442820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941129280).

502442820 is an abundant number, since it is smaller than the sum of its proper divisors (1379815740).

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

502442820 is a wasteful number, since it uses less digits than its factorization.

502442820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 502442820 is about 22415.2363360282. The cubic root of 502442820 is about 794.9910050009.

The spelling of 502442820 in words is "five hundred two million, four hundred forty-two thousand, eight hundred twenty".