28940895200 has 288 divisors, whose sum is σ = 86310100800. Its totient is φ = 9249914880.

The previous prime is 28940895167. The next prime is 28940895211. The reversal of 28940895200 is 259804982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10375406 + ... + 10378194.

It is an arithmetic number, because the mean of its divisors is an integer number (299687850).

Almost surely, 2^28940895200 is an apocalyptic number.

28940895200 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 28940895200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43155050400).

28940895200 is an abundant number, since it is smaller than the sum of its proper divisors (57369205600).

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

28940895200 is a wasteful number, since it uses less digits than its factorization.

28940895200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942 (or 2929 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 28940895200 in words is "twenty-eight billion, nine hundred forty million, eight hundred ninety-five thousand, two hundred".