502505253140 has 48 divisors (see below), whose sum is σ = 1151716575744. Its totient is φ = 182646211200.

The previous prime is 502505253127. The next prime is 502505253161. The reversal of 502505253140 is 41352505205.

It is a junction number, because it is equal to n+sod(n) for n = 502505253097 and 502505253106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31931 + ... + 1003010.

It is an arithmetic number, because the mean of its divisors is an integer number (23994095328).

Almost surely, 2^502505253140 is an apocalyptic number.

It is an amenable number.

502505253140 is an abundant number, since it is smaller than the sum of its proper divisors (649211322604).

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

502505253140 is a wasteful number, since it uses less digits than its factorization.

502505253140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037168 (or 1037166 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 502505253140 its reverse (41352505205), we get a palindrome (543857758345).

The spelling of 502505253140 in words is "five hundred two billion, five hundred five million, two hundred fifty-three thousand, one hundred forty".