2788200320 has 32 divisors (see below), whose sum is σ = 6665542920. Its totient is φ = 1115279872.

The previous prime is 2788200319. The next prime is 2788200361. The reversal of 2788200320 is 230028872.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×2788200320² = 15548122048896204800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2177642 + ... + 2178921.

Almost surely, 2^2788200320 is an apocalyptic number.

2788200320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2788200320 is an abundant number, since it is smaller than the sum of its proper divisors (3877342600).

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

2788200320 is an equidigital number, since it uses as much as digits as its factorization.

2788200320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356582 (or 4356570 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 2788200320 is about 52803.4120109676. The cubic root of 2788200320 is about 1407.4770570039.

The spelling of 2788200320 in words is "two billion, seven hundred eighty-eight million, two hundred thousand, three hundred twenty".