502511252240 has 20 divisors (see below), whose sum is σ = 1168338661644. Its totient is φ = 201004500864.

The previous prime is 502511252227. The next prime is 502511252261. The reversal of 502511252240 is 42252115205.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 331697668624 + 170813583616 = 575932^2 + 413296^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3140695247 + ... + 3140695406.

Almost surely, 2^502511252240 is an apocalyptic number.

It is an amenable number.

502511252240 is an abundant number, since it is smaller than the sum of its proper divisors (665827409404).

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

502511252240 is a wasteful number, since it uses less digits than its factorization.

502511252240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6281390666 (or 6281390660 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 502511252240 its reverse (42252115205), we get a palindrome (544763367445).

The spelling of 502511252240 in words is "five hundred two billion, five hundred eleven million, two hundred fifty-two thousand, two hundred forty".