404444441 has 4 divisors (see below), whose sum is σ = 406866432. Its totient is φ = 402022452.

The previous prime is 404444437. The next prime is 404444461. The reversal of 404444441 is 144444404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404444441 - 2² = 404444437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404444401) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1210745 + ... + 1211078.

It is an arithmetic number, because the mean of its divisors is an integer number (101716608).

Almost surely, 2^404444441 is an apocalyptic number.

It is an amenable number.

404444441 is a deficient number, since it is larger than the sum of its proper divisors (2421991).

404444441 is a wasteful number, since it uses less digits than its factorization.

404444441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421990.

The product of its (nonzero) digits is 16384, while the sum is 29.

The square root of 404444441 is about 20110.8040863611. The cubic root of 404444441 is about 739.5251646986.

Adding to 404444441 its reverse (144444404), we get a palindrome (548888845).

The spelling of 404444441 in words is "four hundred four million, four hundred forty-four thousand, four hundred forty-one".