502666640556 has 24 divisors (see below), whose sum is σ = 1179029612544. Its totient is φ = 166678291920.

The previous prime is 502666640537. The next prime is 502666640587. The reversal of 502666640556 is 655046666205.

It is a junction number, because it is equal to n+sod(n) for n = 502666640499 and 502666640508.

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 7 ways as a sum of consecutive naturals, for example, 109654480 + ... + 109659063.

It is an arithmetic number, because the mean of its divisors is an integer number (49126233856).

Almost surely, 2^502666640556 is an apocalyptic number.

It is an amenable number.

502666640556 is an abundant number, since it is smaller than the sum of its proper divisors (676362971988).

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

502666640556 is a wasteful number, since it uses less digits than its factorization.

502666640556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219313741 (or 219313739 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 51.

The spelling of 502666640556 in words is "five hundred two billion, six hundred sixty-six million, six hundred forty thousand, five hundred fifty-six".