40423441141441 has 4 divisors (see below), whose sum is σ = 40441641702484. Its totient is φ = 40405240580400.

The previous prime is 40423441141381. The next prime is 40423441141477. The reversal of 40423441141441 is 14414114432404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35041486572225 + 5381954569216 = 5919585^2 + 2319904^2 .

It is a cyclic number.

It is not a de Polignac number, because 40423441141441 - 2⁴¹ = 38224417885889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40423441141441.

It is not an unprimeable number, because it can be changed into a prime (40423441151441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9100277190 + ... + 9100281631.

It is an arithmetic number, because the mean of its divisors is an integer number (10110410425621).

Almost surely, 2^{40423441141441} is an apocalyptic number.

It is an amenable number.

40423441141441 is a deficient number, since it is larger than the sum of its proper divisors (18200561043).

40423441141441 is a wasteful number, since it uses less digits than its factorization.

40423441141441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18200561042.

The product of its (nonzero) digits is 98304, while the sum is 37.

Adding to 40423441141441 its reverse (14414114432404), we get a palindrome (54837555573845).

The spelling of 40423441141441 in words is "forty trillion, four hundred twenty-three billion, four hundred forty-one million, one hundred forty-one thousand, four hundred forty-one".