43321440311441 has 8 divisors (see below), whose sum is σ = 44382070492200. Its totient is φ = 42261001068160.

The previous prime is 43321440311399. The next prime is 43321440311453. The reversal of 43321440311441 is 14411304412334.

43321440311441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4838772477841 + 38482667833600 = 2199721^2 + 6203440^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43321440311441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43321440311141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47274986 + ... + 48182643.

It is an arithmetic number, because the mean of its divisors is an integer number (5547758811525).

Almost surely, 2^{43321440311441} is an apocalyptic number.

43321440311441 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

43321440311441 is a deficient number, since it is larger than the sum of its proper divisors (1060630180759).

43321440311441 is a wasteful number, since it uses less digits than its factorization.

43321440311441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95468739.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 43321440311441 its reverse (14411304412334), we get a palindrome (57732744723775).

The spelling of 43321440311441 in words is "forty-three trillion, three hundred twenty-one billion, four hundred forty million, three hundred eleven thousand, four hundred forty-one".