503204533442 has 24 divisors (see below), whose sum is σ = 817558284996. Its totient is φ = 232184848896.

The previous prime is 503204533439. The next prime is 503204533459. The reversal of 503204533442 is 244335402305.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 81355582441 + 421848951001 = 285229^2 + 649499^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1048238 + ... + 1450934.

Almost surely, 2^503204533442 is an apocalyptic number.

503204533442 is a deficient number, since it is larger than the sum of its proper divisors (314353751554).

503204533442 is a wasteful number, since it uses less digits than its factorization.

503204533442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406422 (or 406409 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 503204533442 its reverse (244335402305), we get a palindrome (747539935747).

The spelling of 503204533442 in words is "five hundred three billion, two hundred four million, five hundred thirty-three thousand, four hundred forty-two".