810229800 has 48 divisors (see below), whose sum is σ = 2511714240. Its totient is φ = 216061120.

The previous prime is 810229789. The next prime is 810229801. The reversal of 810229800 is 8922018.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (810229801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674592 + ... + 675791.

It is an arithmetic number, because the mean of its divisors is an integer number (52327380).

Almost surely, 2^810229800 is an apocalyptic number.

It is an amenable number.

810229800 is an abundant number, since it is smaller than the sum of its proper divisors (1701484440).

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

810229800 is a wasteful number, since it uses less digits than its factorization.

810229800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350402 (or 1350393 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 810229800 is about 28464.5358296952. The cubic root of 810229800 is about 932.2578967880.

The spelling of 810229800 in words is "eight hundred ten million, two hundred twenty-nine thousand, eight hundred".