441444004 has 12 divisors (see below), whose sum is σ = 772994124. Its totient is φ = 220588544.

The previous prime is 441444001. The next prime is 441444011. The reversal of 441444004 is 400444144.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 419840100 + 21603904 = 20490^2 + 4648^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 441444004.

It is not an unprimeable number, because it can be changed into a prime (441444001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25729 + ... + 39304.

It is an arithmetic number, because the mean of its divisors is an integer number (64416177).

Almost surely, 2^441444004 is an apocalyptic number.

It is an amenable number.

441444004 is a deficient number, since it is larger than the sum of its proper divisors (331550120).

441444004 is a wasteful number, since it uses less digits than its factorization.

441444004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66734 (or 66732 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 441444004 is about 21010.5688642645. The cubic root of 441444004 is about 761.4216258088.

Adding to 441444004 its reverse (400444144), we get a palindrome (841888148).

The spelling of 441444004 in words is "four hundred forty-one million, four hundred forty-four thousand, four".