28046986200 has 288 divisors, whose sum is σ = 95747480400. Its totient is φ = 7356718080.

The previous prime is 28046986183. The next prime is 28046986241. The reversal of 28046986200 is 268964082.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 31980162 + ... + 31981038.

Almost surely, 2^28046986200 is an apocalyptic number.

28046986200 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 28046986200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47873740200).

28046986200 is an abundant number, since it is smaller than the sum of its proper divisors (67700494200).

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

28046986200 is a wasteful number, since it uses less digits than its factorization.

28046986200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1159 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 28046986200 in words is "twenty-eight billion, forty-six million, nine hundred eighty-six thousand, two hundred".