502040430 has 112 divisors (see below), whose sum is σ = 1434942864. Its totient is φ = 125971200.

The previous prime is 502040387. The next prime is 502040453. The reversal of 502040430 is 34040205.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 121905 + ... + 125955.

Almost surely, 2^502040430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 502040430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (717471432).

502040430 is an abundant number, since it is smaller than the sum of its proper divisors (932902434).

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

502040430 is a wasteful number, since it uses less digits than its factorization.

502040430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093 (or 4078 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 502040430 is about 22406.2587238477. The cubic root of 502040430 is about 794.7787209001.

Adding to 502040430 its reverse (34040205), we get a palindrome (536080635).

The spelling of 502040430 in words is "five hundred two million, forty thousand, four hundred thirty".