2800198800 has 180 divisors, whose sum is σ = 11105777280. Its totient is φ = 640039680.

The previous prime is 2800198763. The next prime is 2800198801. The reversal of 2800198800 is 88910082.

It is a tau number, because it is divible by the number of its divisors (180).

It is a super-2 number, since 2×2800198800² = 15682226639042880000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2800198801) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30360 + ... + 80759.

Almost surely, 2^2800198800 is an apocalyptic number.

2800198800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2800198800 is an abundant number, since it is smaller than the sum of its proper divisors (8305578480).

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

2800198800 is a wasteful number, since it uses less digits than its factorization.

2800198800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111150 (or 111136 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 2800198800 is about 52916.9046713808. The cubic root of 2800198800 is about 1409.4931028376.

The spelling of 2800198800 in words is "two billion, eight hundred million, one hundred ninety-eight thousand, eight hundred".