810404018 has 16 divisors (see below), whose sum is σ = 1231411200. Its totient is φ = 399966336.

The previous prime is 810404009. The next prime is 810404039.

810404018 is nontrivially palindromic in base 10.

It is an unprimeable number.

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, 42530 + ... + 58562.

It is an arithmetic number, because the mean of its divisors is an integer number (76963200).

Almost surely, 2^810404018 is an apocalyptic number.

810404018 is a deficient number, since it is larger than the sum of its proper divisors (421007182).

810404018 is a wasteful number, since it uses less digits than its factorization.

810404018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16361.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 810404018 is about 28467.5959294072. The cubic root of 810404018 is about 932.3247109464.

It can be divided in two parts, 81040 and 4018, that added together give a palindrome (85058).

The spelling of 810404018 in words is "eight hundred ten million, four hundred four thousand, eighteen".