42440200220441 has 4 divisors (see below), whose sum is σ = 42442596229812. Its totient is φ = 42437804211072.

The previous prime is 42440200220389. The next prime is 42440200220449. The reversal of 42440200220441 is 14402200204424.

It is a happy number.

42440200220441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 38352059953216 + 4088140267225 = 6192904^2 + 2021915^2 .

It is a cyclic number.

It is not a de Polignac number, because 42440200220441 - 2¹⁴ = 42440200204057 is a prime.

It is a super-2 number, since 2×42440200220441² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42440200220449) 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 3 ways as a sum of consecutive naturals, for example, 1197978116 + ... + 1198013541.

It is an arithmetic number, because the mean of its divisors is an integer number (10610649057453).

Almost surely, 2^{42440200220441} is an apocalyptic number.

It is an amenable number.

42440200220441 is a deficient number, since it is larger than the sum of its proper divisors (2396009371).

42440200220441 is a wasteful number, since it uses less digits than its factorization.

42440200220441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396009370.

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 42440200220441 its reverse (14402200204424), we get a palindrome (56842400424865).

The spelling of 42440200220441 in words is "forty-two trillion, four hundred forty billion, two hundred million, two hundred twenty thousand, four hundred forty-one".