28560324004 has 9 divisors (see below), whose sum is σ = 49981158507. Its totient is φ = 14279993004.

The previous prime is 28560323999. The next prime is 28560324017. The reversal of 28560324004 is 40042306582.

The square root of 28560324004 is 168998.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 295747 + ... + 380245.

Almost surely, 2^28560324004 is an apocalyptic number.

28560324004 is the 168998-th square number.

It is an amenable number.

28560324004 is a deficient number, since it is larger than the sum of its proper divisors (21420834503).

28560324004 is an frugal number, since it uses more digits than its factorization.

28560324004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169002 (or 84501 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 28560324004 in words is "twenty-eight billion, five hundred sixty million, three hundred twenty-four thousand, four".