2805055800 has 48 divisors (see below), whose sum is σ = 8695674840. Its totient is φ = 748014720.

The previous prime is 2805055787. The next prime is 2805055819. The reversal of 2805055800 is 85505082.

It is a super-3 number, since 3×2805055800³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2336947 + ... + 2338146.

Almost surely, 2^2805055800 is an apocalyptic number.

2805055800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2805055800 is an abundant number, since it is smaller than the sum of its proper divisors (5890619040).

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

2805055800 is a wasteful number, since it uses less digits than its factorization.

2805055800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4675112 (or 4675103 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 2805055800 is about 52962.7774951428. Note that the first 3 decimals coincide. The cubic root of 2805055800 is about 1410.3075633072.

The spelling of 2805055800 in words is "two billion, eight hundred five million, fifty-five thousand, eight hundred".