28273382496 has 72 divisors (see below), whose sum is σ = 83174953680. Its totient is φ = 9099476736.

The previous prime is 28273382447. The next prime is 28273382509. The reversal of 28273382496 is 69428337282.

28273382496 is a `hidden beast` number, since 2 + 8 + 2 + 73 + 3 + 82 + 496 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1684260 + ... + 1700963.

It is an arithmetic number, because the mean of its divisors is an integer number (1155207690).

Almost surely, 2^28273382496 is an apocalyptic number.

It is an amenable number.

28273382496 is an abundant number, since it is smaller than the sum of its proper divisors (54901571184).

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

28273382496 is a wasteful number, since it uses less digits than its factorization.

28273382496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385268 (or 3385257 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 28273382496 in words is "twenty-eight billion, two hundred seventy-three million, three hundred eighty-two thousand, four hundred ninety-six".