502022440 has 16 divisors (see below), whose sum is σ = 1129550580. Its totient is φ = 200808960.

The previous prime is 502022431. The next prime is 502022447. The reversal of 502022440 is 44220205.

It can be written as a sum of positive squares in 2 ways, for example, as 487261476 + 14760964 = 22074^2 + 3842^2 .

It is not an unprimeable number, because it can be changed into a prime (502022447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6275241 + ... + 6275320.

Almost surely, 2^502022440 is an apocalyptic number.

It is an amenable number.

502022440 is an abundant number, since it is smaller than the sum of its proper divisors (627528140).

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

502022440 is a wasteful number, since it uses less digits than its factorization.

502022440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12550572 (or 12550568 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 502022440 is about 22405.8572699194. The cubic root of 502022440 is about 794.7692274814.

Adding to 502022440 its reverse (44220205), we get a palindrome (546242645).

The spelling of 502022440 in words is "five hundred two million, twenty-two thousand, four hundred forty".