810536300 has 72 divisors (see below), whose sum is σ = 2025703680. Its totient is φ = 275745600.

The previous prime is 810536273. The next prime is 810536303. The reversal of 810536300 is 3635018.

It is a self number, because there is not a number n which added to its sum of digits gives 810536300.

It is not an unprimeable number, because it can be changed into a prime (810536303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87281 + ... + 96119.

Almost surely, 2^810536300 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 810536300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012851840).

810536300 is an abundant number, since it is smaller than the sum of its proper divisors (1215167380).

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

810536300 is a wasteful number, since it uses less digits than its factorization.

810536300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8991 (or 8984 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 810536300 is about 28469.9192130923. The cubic root of 810536300 is about 932.3754358791.

The spelling of 810536300 in words is "eight hundred ten million, five hundred thirty-six thousand, three hundred".