144444444440 has 16 divisors (see below), whose sum is σ = 325000000080. Its totient is φ = 57777777760.

The previous prime is 144444444407. The next prime is 144444444449. The reversal of 144444444440 is 44444444441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144444444449) 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 3 ways as a sum of consecutive naturals, for example, 1805555516 + ... + 1805555595.

It is an arithmetic number, because the mean of its divisors is an integer number (20312500005).

Almost surely, 2^144444444440 is an apocalyptic number.

144444444440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144444444440 is an abundant number, since it is smaller than the sum of its proper divisors (180555555640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144444444440 is a wasteful number, since it uses less digits than its factorization.

144444444440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611111122 (or 3611111118 counting only the distinct ones).

The product of its (nonzero) digits is 1048576, while the sum is 41.

Adding to 144444444440 its reverse (44444444441), we get a palindrome (188888888881).

Subtracting from 144444444440 its reverse (44444444441), we obtain a palindrome (99999999999).

The spelling of 144444444440 in words is "one hundred forty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty".