28022856192 has 240 divisors, whose sum is σ = 85526400960. Its totient is φ = 8808431616.

The previous prime is 28022856181. The next prime is 28022856209. The reversal of 28022856192 is 29165822082.

28022856192 is a `hidden beast` number, since 2 + 8 + 0 + 2 + 28 + 5 + 619 + 2 = 666.

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 23 ways as a sum of consecutive naturals, for example, 23025568 + ... + 23026784.

It is an arithmetic number, because the mean of its divisors is an integer number (356360004).

Almost surely, 2^28022856192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28022856192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42763200480).

28022856192 is an abundant number, since it is smaller than the sum of its proper divisors (57503544768).

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

28022856192 is a wasteful number, since it uses less digits than its factorization.

28022856192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 28022856192 in words is "twenty-eight billion, twenty-two million, eight hundred fifty-six thousand, one hundred ninety-two".