404013044441 has 4 divisors (see below), whose sum is σ = 406348380132. Its totient is φ = 401677708752.

The previous prime is 404013044431. The next prime is 404013044459. The reversal of 404013044441 is 144440310404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 247228722841 + 156784321600 = 497221^2 + 395960^2 .

It is a cyclic number.

It is not a de Polignac number, because 404013044441 - 2¹⁰ = 404013043417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404013044431) 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, 1167667586 + ... + 1167667931.

It is an arithmetic number, because the mean of its divisors is an integer number (101587095033).

Almost surely, 2^404013044441 is an apocalyptic number.

It is an amenable number.

404013044441 is a deficient number, since it is larger than the sum of its proper divisors (2335335691).

404013044441 is a wasteful number, since it uses less digits than its factorization.

404013044441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335335690.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 404013044441 its reverse (144440310404), we get a palindrome (548453354845).

The spelling of 404013044441 in words is "four hundred four billion, thirteen million, forty-four thousand, four hundred forty-one".