502638805380 has 48 divisors (see below), whose sum is σ = 1411063363584. Its totient is φ = 133687042560.

The previous prime is 502638805379. The next prime is 502638805421. The reversal of 502638805380 is 83508836205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10913461 + ... + 10959420.

It is an arithmetic number, because the mean of its divisors is an integer number (29397153408).

Almost surely, 2^502638805380 is an apocalyptic number.

It is an amenable number.

502638805380 is an abundant number, since it is smaller than the sum of its proper divisors (908424558204).

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

502638805380 is a wasteful number, since it uses less digits than its factorization.

502638805380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21873276 (or 21873274 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 502638805380 in words is "five hundred two billion, six hundred thirty-eight million, eight hundred five thousand, three hundred eighty".