503003680 has 96 divisors (see below), whose sum is σ = 1228639104. Its totient is φ = 194482176.

The previous prime is 503003671. The next prime is 503003681. The reversal of 503003680 is 86300305.

It is not an unprimeable number, because it can be changed into a prime (503003681) 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, 777117 + ... + 777763.

It is an arithmetic number, because the mean of its divisors is an integer number (12798324).

Almost surely, 2^503003680 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 503003680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614319552).

503003680 is an abundant number, since it is smaller than the sum of its proper divisors (725635424).

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

503003680 is a wasteful number, since it uses less digits than its factorization.

503003680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 503003680 is about 22427.7435334008. The cubic root of 503003680 is about 795.2867022316.

Adding to 503003680 its reverse (86300305), we get a palindrome (589303985).

The spelling of 503003680 in words is "five hundred three million, three thousand, six hundred eighty".