444488489 has 8 divisors (see below), whose sum is σ = 473521440. Its totient is φ = 416019456.

The previous prime is 444488479. The next prime is 444488531. The reversal of 444488489 is 984884444.

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 444488489 - 2¹² = 444484393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444488489.

It is not an unprimeable number, because it can be changed into a prime (444488479) 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, 139352 + ... + 142505.

It is an arithmetic number, because the mean of its divisors is an integer number (59190180).

Almost surely, 2^444488489 is an apocalyptic number.

It is an amenable number.

444488489 is a deficient number, since it is larger than the sum of its proper divisors (29032951).

444488489 is a wasteful number, since it uses less digits than its factorization.

444488489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281959.

The product of its digits is 4718592, while the sum is 53.

The square root of 444488489 is about 21082.8956502659. The cubic root of 444488489 is about 763.1680367512.

The spelling of 444488489 in words is "four hundred forty-four million, four hundred eighty-eight thousand, four hundred eighty-nine".