503534040 has 64 divisors (see below), whose sum is σ = 1525305600. Its totient is φ = 132968832.

The previous prime is 503534039. The next prime is 503534051. The reversal of 503534040 is 40435305.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 503534040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8010 + ... + 32729.

It is an arithmetic number, because the mean of its divisors is an integer number (23832900).

Almost surely, 2^503534040 is an apocalyptic number.

It is an amenable number.

503534040 is an abundant number, since it is smaller than the sum of its proper divisors (1021771560).

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

503534040 is a wasteful number, since it uses less digits than its factorization.

503534040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40856 (or 40852 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 503534040 is about 22439.5641668906. The cubic root of 503534040 is about 795.5661170857.

Adding to 503534040 its reverse (40435305), we get a palindrome (543969345).

The spelling of 503534040 in words is "five hundred three million, five hundred thirty-four thousand, forty".