503240445304 has 32 divisors (see below), whose sum is σ = 947983584240. Its totient is φ = 250447552000.

The previous prime is 503240445293. The next prime is 503240445347. The reversal of 503240445304 is 403544042305.

It is a self number, because there is not a number n which added to its sum of digits gives 503240445304.

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, 1308747 + ... + 1649029.

Almost surely, 2^503240445304 is an apocalyptic number.

It is an amenable number.

503240445304 is a deficient number, since it is larger than the sum of its proper divisors (444743138936).

503240445304 is a wasteful number, since it uses less digits than its factorization.

503240445304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341151 (or 341147 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 503240445304 its reverse (403544042305), we get a palindrome (906784487609).

The spelling of 503240445304 in words is "five hundred three billion, two hundred forty million, four hundred forty-five thousand, three hundred four".