503420633404 has 36 divisors (see below), whose sum is σ = 954100564704. Its totient is φ = 232315504512.

The previous prime is 503420633377. The next prime is 503420633459. The reversal of 503420633404 is 404336024305.

It is a self number, because there is not a number n which added to its sum of digits gives 503420633404.

It is a congruent number.

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, 5175264 + ... + 5271640.

It is an arithmetic number, because the mean of its divisors is an integer number (26502793464).

Almost surely, 2^503420633404 is an apocalyptic number.

It is an amenable number.

503420633404 is a deficient number, since it is larger than the sum of its proper divisors (450679931300).

503420633404 is a wasteful number, since it uses less digits than its factorization.

503420633404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104134 (or 104119 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 503420633404 its reverse (404336024305), we get a palindrome (907756657709).

The spelling of 503420633404 in words is "five hundred three billion, four hundred twenty million, six hundred thirty-three thousand, four hundred four".