28081833152 has 56 divisors (see below), whose sum is σ = 56331764400. Its totient is φ = 13888281600.

The previous prime is 28081833151. The next prime is 28081833179. The reversal of 28081833152 is 25133818082.

It is not an unprimeable number, because it can be changed into a prime (28081833151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10981058 + ... + 10983614.

Almost surely, 2^28081833152 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 28081833152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28165882200).

28081833152 is an abundant number, since it is smaller than the sum of its proper divisors (28249931248).

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

28081833152 is a wasteful number, since it uses less digits than its factorization.

28081833152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369 (or 4359 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 28081833152 in words is "twenty-eight billion, eighty-one million, eight hundred thirty-three thousand, one hundred fifty-two".