503245104544 has 144 divisors (see below), whose sum is σ = 1242212825448. Its totient is φ = 198919784448.

The previous prime is 503245104541. The next prime is 503245104617. The reversal of 503245104544 is 445401542305.

It can be written as a sum of positive squares in 4 ways, for example, as 475255814544 + 27989290000 = 689388^2 + 167300^2 .

It is not an unprimeable number, because it can be changed into a prime (503245104541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26020702 + ... + 26040034.

Almost surely, 2^503245104544 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 503245104544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (621106412724).

503245104544 is an abundant number, since it is smaller than the sum of its proper divisors (738967720904).

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

503245104544 is a wasteful number, since it uses less digits than its factorization.

503245104544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20647 (or 20632 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 503245104544 its reverse (445401542305), we get a palindrome (948646646849).

The spelling of 503245104544 in words is "five hundred three billion, two hundred forty-five million, one hundred four thousand, five hundred forty-four".