28082555200 has 168 divisors, whose sum is σ = 79086456000. Its totient is φ = 9614376960.

The previous prime is 28082555183. The next prime is 28082555231. The reversal of 28082555200 is 255528082.

It is a super-2 number, since 2×28082555200² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28082555200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10403451 + ... + 10406149.

Almost surely, 2^28082555200 is an apocalyptic number.

28082555200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28082555200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39543228000).

28082555200 is an abundant number, since it is smaller than the sum of its proper divisors (51003900800).

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

28082555200 is a wasteful number, since it uses less digits than its factorization.

28082555200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3657 (or 3642 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

The spelling of 28082555200 in words is "twenty-eight billion, eighty-two million, five hundred fifty-five thousand, two hundred".