41442513344221 has 4 divisors (see below), whose sum is σ = 45210014557344. Its totient is φ = 37675012131100.

The previous prime is 41442513344201. The next prime is 41442513344227. The reversal of 41442513344221 is 12244331524414.

41442513344221 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41442513344221 - 2⁵ = 41442513344189 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41442513344227) 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, 1883750606545 + ... + 1883750606566.

It is an arithmetic number, because the mean of its divisors is an integer number (11302503639336).

Almost surely, 2^{41442513344221} is an apocalyptic number.

It is an amenable number.

41442513344221 is a deficient number, since it is larger than the sum of its proper divisors (3767501213123).

41442513344221 is a wasteful number, since it uses less digits than its factorization.

41442513344221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767501213122.

The product of its digits is 368640, while the sum is 40.

Adding to 41442513344221 its reverse (12244331524414), we get a palindrome (53686844868635).

The spelling of 41442513344221 in words is "forty-one trillion, four hundred forty-two billion, five hundred thirteen million, three hundred forty-four thousand, two hundred twenty-one".