502505250028 has 12 divisors (see below), whose sum is σ = 880882290792. Its totient is φ = 250824595520.

The previous prime is 502505250017. The next prime is 502505250031. The reversal of 502505250028 is 820052505205.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 502505249975 and 502505250002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107004733 + ... + 107009428.

It is an arithmetic number, because the mean of its divisors is an integer number (73406857566).

Almost surely, 2^502505250028 is an apocalyptic number.

It is an amenable number.

502505250028 is a deficient number, since it is larger than the sum of its proper divisors (378377040764).

502505250028 is a wasteful number, since it uses less digits than its factorization.

502505250028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214014752 (or 214014750 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 502505250028 in words is "five hundred two billion, five hundred five million, two hundred fifty thousand, twenty-eight".