28448568324 has 72 divisors (see below), whose sum is σ = 78791905920. Its totient is φ = 8583105600.

The previous prime is 28448568319. The next prime is 28448568389. The reversal of 28448568324 is 42386584482.

28448568324 is a `hidden beast` number, since 2 + 8 + 4 + 48 + 568 + 32 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66172 + ... + 247539.

Almost surely, 2^28448568324 is an apocalyptic number.

It is an amenable number.

28448568324 is an abundant number, since it is smaller than the sum of its proper divisors (50343337596).

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

28448568324 is a wasteful number, since it uses less digits than its factorization.

28448568324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313961 (or 313956 counting only the distinct ones).

The product of its digits is 11796480, while the sum is 54.

Adding to 28448568324 its product of digits (11796480), we get a square (28460364804 = 168702²).

The spelling of 28448568324 in words is "twenty-eight billion, four hundred forty-eight million, five hundred sixty-eight thousand, three hundred twenty-four".