2805305500 has 24 divisors (see below), whose sum is σ = 6126788304. Its totient is φ = 1122122000.

The previous prime is 2805305491. The next prime is 2805305527. The reversal of 2805305500 is 55035082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2804806 + ... + 2805805.

It is an arithmetic number, because the mean of its divisors is an integer number (255282846).

Almost surely, 2^2805305500 is an apocalyptic number.

2805305500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2805305500 is an abundant number, since it is smaller than the sum of its proper divisors (3321482804).

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

2805305500 is a wasteful number, since it uses less digits than its factorization.

2805305500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610630 (or 5610618 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2805305500 is about 52965.1347586316. The cubic root of 2805305500 is about 1410.3494095752.

The spelling of 2805305500 in words is "two billion, eight hundred five million, three hundred five thousand, five hundred".