404444433011 has 4 divisors (see below), whose sum is σ = 418390792800. Its totient is φ = 390498073224.

The previous prime is 404444432993. The next prime is 404444433013. The reversal of 404444433011 is 110334444404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404444433011 is a prime.

It is a super-2 number, since 2×404444433011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404444433013) 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 3 ways as a sum of consecutive naturals, for example, 6973179851 + ... + 6973179908.

It is an arithmetic number, because the mean of its divisors is an integer number (104597698200).

Almost surely, 2^404444433011 is an apocalyptic number.

404444433011 is a deficient number, since it is larger than the sum of its proper divisors (13946359789).

404444433011 is a wasteful number, since it uses less digits than its factorization.

404444433011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13946359788.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 404444433011 its reverse (110334444404), we get a palindrome (514778877415).

The spelling of 404444433011 in words is "four hundred four billion, four hundred forty-four million, four hundred thirty-three thousand, eleven".