503528840 has 32 divisors (see below), whose sum is σ = 1137144960. Its totient is φ = 200664000.

The previous prime is 503528821. The next prime is 503528863. The reversal of 503528840 is 48825305.

It is a self number, because there is not a number n which added to its sum of digits gives 503528840.

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 7 ways as a sum of consecutive naturals, for example, 12386 + ... + 34065.

It is an arithmetic number, because the mean of its divisors is an integer number (35535780).

Almost surely, 2^503528840 is an apocalyptic number.

It is an amenable number.

503528840 is an abundant number, since it is smaller than the sum of its proper divisors (633616120).

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

503528840 is a wasteful number, since it uses less digits than its factorization.

503528840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46733 (or 46729 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 503528840 is about 22439.4482998134. The cubic root of 503528840 is about 795.5633784705.

The spelling of 503528840 in words is "five hundred three million, five hundred twenty-eight thousand, eight hundred forty".