244444020009 has 16 divisors (see below), whose sum is σ = 373902431232. Its totient is φ = 139151182608.

The previous prime is 244444019969. The next prime is 244444020077. The reversal of 244444020009 is 900020444442.

It is not a de Polignac number, because 244444020009 - 2⁸ = 244444019753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (244444020109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22124119 + ... + 22135164.

It is an arithmetic number, because the mean of its divisors is an integer number (23368901952).

Almost surely, 2^244444020009 is an apocalyptic number.

It is an amenable number.

244444020009 is a deficient number, since it is larger than the sum of its proper divisors (129458411223).

244444020009 is a wasteful number, since it uses less digits than its factorization.

244444020009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44259556.

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 244444020009 in words is "two hundred forty-four billion, four hundred forty-four million, twenty thousand, nine".