805500900 has 108 divisors (see below), whose sum is σ = 2606333184. Its totient is φ = 207864000.

The previous prime is 805500881. The next prime is 805500911. The reversal of 805500900 is 9005508.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13465 + ... + 42335.

Almost surely, 2^805500900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805500900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1303166592).

805500900 is an abundant number, since it is smaller than the sum of its proper divisors (1800832284).

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

805500900 is a wasteful number, since it uses less digits than its factorization.

805500900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28922 (or 28912 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 805500900 is about 28381.3477481250. The cubic root of 805500900 is about 930.4406513932.

The spelling of 805500900 in words is "eight hundred five million, five hundred thousand, nine hundred".