28090810368 has 300 divisors, whose sum is σ = 85544675832. Its totient is φ = 9183559680.

The previous prime is 28090810343. The next prime is 28090810373. The reversal of 28090810368 is 86301809082.

28090810368 is a `hidden beast` number, since 280 + 9 + 0 + 8 + 1 + 0 + 368 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 80953171 + ... + 80953517.

Almost surely, 2^28090810368 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 28090810368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42772337916).

28090810368 is an abundant number, since it is smaller than the sum of its proper divisors (57453865464).

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

28090810368 is an frugal number, since it uses more digits than its factorization.

28090810368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 28090810368 in words is "twenty-eight billion, ninety million, eight hundred ten thousand, three hundred sixty-eight".