810005036 has 24 divisors (see below), whose sum is σ = 1532447280. Its totient is φ = 373315392.

The previous prime is 810005033. The next prime is 810005059. The reversal of 810005036 is 630500018.

It is a super-2 number, since 2×810005036² = 1312216316690722592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (810005033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141215 + ... + 146838.

It is an arithmetic number, because the mean of its divisors is an integer number (63851970).

Almost surely, 2^810005036 is an apocalyptic number.

It is an amenable number.

810005036 is a deficient number, since it is larger than the sum of its proper divisors (722442244).

810005036 is a wasteful number, since it uses less digits than its factorization.

810005036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288113 (or 288111 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 810005036 is about 28460.5874148795. The cubic root of 810005036 is about 932.1716836368.

The spelling of 810005036 in words is "eight hundred ten million, five thousand, thirty-six".