444442441 has 8 divisors (see below), whose sum is σ = 472978440. Its totient is φ = 416172288.

The previous prime is 444442417. The next prime is 444442489. The reversal of 444442441 is 144244444.

It can be written as a sum of positive squares in 4 ways, for example, as 316662025 + 127780416 = 17795^2 + 11304^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444442441 - 2⁹ = 444441929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444442741) 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 7 ways as a sum of consecutive naturals, for example, 63006 + ... + 69703.

It is an arithmetic number, because the mean of its divisors is an integer number (59122305).

Almost surely, 2^444442441 is an apocalyptic number.

It is an amenable number.

444442441 is a deficient number, since it is larger than the sum of its proper divisors (28535999).

444442441 is a wasteful number, since it uses less digits than its factorization.

444442441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132923.

The product of its digits is 32768, while the sum is 31.

The square root of 444442441 is about 21081.8035518786. The cubic root of 444442441 is about 763.1416816815.

Adding to 444442441 its reverse (144244444), we get a palindrome (588686885).

The spelling of 444442441 in words is "four hundred forty-four million, four hundred forty-two thousand, four hundred forty-one".