404104421211 has 16 divisors (see below), whose sum is σ = 542720183040. Its totient is φ = 267452883360.

The previous prime is 404104421209. The next prime is 404104421239. The reversal of 404104421211 is 112124401404.

It is not a de Polignac number, because 404104421211 - 2¹ = 404104421209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404104421911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 656335 + ... + 1113096.

It is an arithmetic number, because the mean of its divisors is an integer number (33920011440).

Almost surely, 2^404104421211 is an apocalyptic number.

404104421211 is a deficient number, since it is larger than the sum of its proper divisors (138615761829).

404104421211 is a wasteful number, since it uses less digits than its factorization.

404104421211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769986.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 404104421211 its reverse (112124401404), we get a palindrome (516228822615).

The spelling of 404104421211 in words is "four hundred four billion, one hundred four million, four hundred twenty-one thousand, two hundred eleven".