144440110323540 has 144 divisors (see below), whose sum is σ = 461267885070720. Its totient is φ = 36484345693440.

The previous prime is 144440110323497. The next prime is 144440110323541. The reversal of 144440110323540 is 45323011044441.

It is a happy number.

144440110323540 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 4 + 0 + 1 + 103 + 2 + 3 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 144440110323495 and 144440110323504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144440110323541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18237562 + ... + 24929678.

It is an arithmetic number, because the mean of its divisors is an integer number (3203249201880).

Almost surely, 2^{144440110323540} is an apocalyptic number.

144440110323540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144440110323540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230633942535360).

144440110323540 is an abundant number, since it is smaller than the sum of its proper divisors (316827774747180).

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

144440110323540 is a wasteful number, since it uses less digits than its factorization.

144440110323540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6698462 (or 6698457 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 144440110323540 its reverse (45323011044441), we get a palindrome (189763121367981).

The spelling of 144440110323540 in words is "one hundred forty-four trillion, four hundred forty billion, one hundred ten million, three hundred twenty-three thousand, five hundred forty".