502230440 has 32 divisors (see below), whose sum is σ = 1137230280. Its totient is φ = 199610112.

The previous prime is 502230433. The next prime is 502230467. The reversal of 502230440 is 44032205.

It can be written as a sum of positive squares in 4 ways, for example, as 338339236 + 163891204 = 18394^2 + 12802^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33707 + ... + 46266.

Almost surely, 2^502230440 is an apocalyptic number.

It is an amenable number.

502230440 is an abundant number, since it is smaller than the sum of its proper divisors (634999840).

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

502230440 is a wasteful number, since it uses less digits than its factorization.

502230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80141 (or 80137 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 502230440 is about 22410.4984326543. The cubic root of 502230440 is about 794.8789763429.

Adding to 502230440 its reverse (44032205), we get a palindrome (546262645).

The spelling of 502230440 in words is "five hundred two million, two hundred thirty thousand, four hundred forty".