502188940 has 48 divisors (see below), whose sum is σ = 1190155680. Its totient is φ = 176314880.

The previous prime is 502188899. The next prime is 502188941. The reversal of 502188940 is 49881205.

It is a self number, because there is not a number n which added to its sum of digits gives 502188940.

It is not an unprimeable number, because it can be changed into a prime (502188941) 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, 32977 + ... + 45736.

It is an arithmetic number, because the mean of its divisors is an integer number (24794910).

Almost surely, 2^502188940 is an apocalyptic number.

It is an amenable number.

502188940 is an abundant number, since it is smaller than the sum of its proper divisors (687966740).

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

502188940 is a wasteful number, since it uses less digits than its factorization.

502188940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78762 (or 78760 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 502188940 is about 22409.5725081939. The cubic root of 502188940 is about 794.8570817546.

It can be divided in two parts, 5021 and 88940, that added together give a triangular number (93961 = T₄₃₃).

The spelling of 502188940 in words is "five hundred two million, one hundred eighty-eight thousand, nine hundred forty".