441444413 has 4 divisors (see below), whose sum is σ = 441606720. Its totient is φ = 441282108.

The previous prime is 441444391. The next prime is 441444427. The reversal of 441444413 is 314444144.

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 441444413 - 2²⁴ = 424667197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441444463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77003 + ... + 82536.

It is an arithmetic number, because the mean of its divisors is an integer number (110401680).

Almost surely, 2^441444413 is an apocalyptic number.

It is an amenable number.

441444413 is a deficient number, since it is larger than the sum of its proper divisors (162307).

441444413 is a wasteful number, since it uses less digits than its factorization.

441444413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162306.

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

The square root of 441444413 is about 21010.5785974589. The cubic root of 441444413 is about 761.4218609623.

Adding to 441444413 its reverse (314444144), we get a palindrome (755888557).

The spelling of 441444413 in words is "four hundred forty-one million, four hundred forty-four thousand, four hundred thirteen".