503318760648 has 64 divisors (see below), whose sum is σ = 1432369612800. Its totient is φ = 145889494080.

The previous prime is 503318760641. The next prime is 503318760677. The reversal of 503318760648 is 846067813305.

It is a self number, because there is not a number n which added to its sum of digits gives 503318760648.

It is not an unprimeable number, because it can be changed into a prime (503318760641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41439808 + ... + 41451951.

It is an arithmetic number, because the mean of its divisors is an integer number (22380775200).

Almost surely, 2^503318760648 is an apocalyptic number.

It is an amenable number.

503318760648 is an abundant number, since it is smaller than the sum of its proper divisors (929050852152).

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

503318760648 is a wasteful number, since it uses less digits than its factorization.

503318760648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82891802 (or 82891798 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 503318760648 in words is "five hundred three billion, three hundred eighteen million, seven hundred sixty thousand, six hundred forty-eight".