41243444221 has 8 divisors (see below), whose sum is σ = 49184728704. Its totient is φ = 33814500720.

The previous prime is 41243444213. The next prime is 41243444227. The reversal of 41243444221 is 12244434214.

It is a happy number.

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

It is not a de Polignac number, because 41243444221 - 2³ = 41243444213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41243444227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128085070 + ... + 128085391.

It is an arithmetic number, because the mean of its divisors is an integer number (6148091088).

Almost surely, 2^41243444221 is an apocalyptic number.

It is an amenable number.

41243444221 is a deficient number, since it is larger than the sum of its proper divisors (7941284483).

41243444221 is a wasteful number, since it uses less digits than its factorization.

41243444221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256170491.

The product of its digits is 24576, while the sum is 31.

Adding to 41243444221 its reverse (12244434214), we get a palindrome (53487878435).

The spelling of 41243444221 in words is "forty-one billion, two hundred forty-three million, four hundred forty-four thousand, two hundred twenty-one".