502594420 has 24 divisors (see below), whose sum is σ = 1056369384. Its totient is φ = 200862336.

The previous prime is 502594387. The next prime is 502594423. The reversal of 502594420 is 24495205.

It can be written as a sum of positive squares in 4 ways, for example, as 40602384 + 461992036 = 6372^2 + 21494^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502594423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13902 + ... + 34618.

It is an arithmetic number, because the mean of its divisors is an integer number (44015391).

Almost surely, 2^502594420 is an apocalyptic number.

It is an amenable number.

502594420 is an abundant number, since it is smaller than the sum of its proper divisors (553774964).

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

502594420 is a wasteful number, since it uses less digits than its factorization.

502594420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21939 (or 21937 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 502594420 is about 22418.6177093950. The cubic root of 502594420 is about 795.0709534130.

The spelling of 502594420 in words is "five hundred two million, five hundred ninety-four thousand, four hundred twenty".