810609344 has 14 divisors (see below), whose sum is σ = 1608553044. Its totient is φ = 405304640.

The previous prime is 810609323. The next prime is 810609361. The reversal of 810609344 is 443906018.

It is a super-2 number, since 2×810609344² = 1314175017160220672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6332822 + ... + 6332949.

It is an arithmetic number, because the mean of its divisors is an integer number (114896646).

Almost surely, 2^810609344 is an apocalyptic number.

It is an amenable number.

810609344 is a deficient number, since it is larger than the sum of its proper divisors (797943700).

810609344 is a wasteful number, since it uses less digits than its factorization.

810609344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12665783 (or 12665773 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 810609344 is about 28471.2020118575. The cubic root of 810609344 is about 932.4034430087.

The spelling of 810609344 in words is "eight hundred ten million, six hundred nine thousand, three hundred forty-four".