2805830500 has 96 divisors (see below), whose sum is σ = 6752543616. Its totient is φ = 1010000000.

The previous prime is 2805830497. The next prime is 2805830543. The reversal of 2805830500 is 50385082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552975 + ... + 558025.

It is an arithmetic number, because the mean of its divisors is an integer number (70338996).

Almost surely, 2^2805830500 is an apocalyptic number.

2805830500 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 2805830500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3376271808).

2805830500 is an abundant number, since it is smaller than the sum of its proper divisors (3946713116).

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

2805830500 is a wasteful number, since it uses less digits than its factorization.

2805830500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5182 (or 5170 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 2805830500 is about 52970.0906172531. The cubic root of 2805830500 is about 1410.4373842188.

Subtracting from 2805830500 its product of nonzero digits (9600), we obtain a square (2805820900 = 52970²).

The spelling of 2805830500 in words is "two billion, eight hundred five million, eight hundred thirty thousand, five hundred".