28324932816 has 20 divisors (see below), whose sum is σ = 73172743232. Its totient is φ = 9441644256.

The previous prime is 28324932799. The next prime is 28324932817. The reversal of 28324932816 is 61823942382.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 590102767 = 28324932816 / (2 + 8 + 3 + 2 + 4 + 9 + 3 + 2 + 8 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28324932817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295051336 + ... + 295051431.

Almost surely, 2^28324932816 is an apocalyptic number.

It is an amenable number.

28324932816 is an abundant number, since it is smaller than the sum of its proper divisors (44847810416).

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

28324932816 is a wasteful number, since it uses less digits than its factorization.

28324932816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590102778 (or 590102772 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The spelling of 28324932816 in words is "twenty-eight billion, three hundred twenty-four million, nine hundred thirty-two thousand, eight hundred sixteen".