500989688768 has 56 divisors (see below), whose sum is σ = 1003686844032. Its totient is φ = 248093362944.

The previous prime is 500989688651. The next prime is 500989688791. The reversal of 500989688768 is 867886989005.

It is a junction number, because it is equal to n+sod(n) for n = 500989688695 and 500989688704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44006405 + ... + 44017787.

Almost surely, 2^500989688768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500989688768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501843422016).

500989688768 is an abundant number, since it is smaller than the sum of its proper divisors (502697155264).

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

500989688768 is a wasteful number, since it uses less digits than its factorization.

500989688768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17929 (or 17919 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 74.

The spelling of 500989688768 in words is "five hundred billion, nine hundred eighty-nine million, six hundred eighty-eight thousand, seven hundred sixty-eight".