43344040240 has 80 divisors (see below), whose sum is σ = 104123174976. Its totient is φ = 16770790400.

The previous prime is 43344040237. The next prime is 43344040241. The reversal of 43344040240 is 4204044334.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 43344040199 and 43344040208.

It is not an unprimeable number, because it can be changed into a prime (43344040241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229050 + ... + 373030.

Almost surely, 2^43344040240 is an apocalyptic number.

43344040240 is a gapful number since it is divisible by the number (40) 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 43344040240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52061587488).

43344040240 is an abundant number, since it is smaller than the sum of its proper divisors (60779134736).

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

43344040240 is a wasteful number, since it uses less digits than its factorization.

43344040240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144118 (or 144112 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 43344040240 its reverse (4204044334), we get a palindrome (47548084574).

The spelling of 43344040240 in words is "forty-three billion, three hundred forty-four million, forty thousand, two hundred forty".