244043345985 has 8 divisors (see below), whose sum is σ = 390469353600. Its totient is φ = 130156451184.

The previous prime is 244043345981. The next prime is 244043346013. The reversal of 244043345985 is 589543340442.

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

It is not a de Polignac number, because 244043345985 - 2² = 244043345981 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (244043345981) 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, 8134778185 + ... + 8134778214.

It is an arithmetic number, because the mean of its divisors is an integer number (48808669200).

Almost surely, 2^244043345985 is an apocalyptic number.

It is an amenable number.

244043345985 is a deficient number, since it is larger than the sum of its proper divisors (146426007615).

244043345985 is a wasteful number, since it uses less digits than its factorization.

244043345985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16269556407.

The product of its (nonzero) digits is 8294400, while the sum is 51.

The spelling of 244043345985 in words is "two hundred forty-four billion, forty-three million, three hundred forty-five thousand, nine hundred eighty-five".