41004043221 has 16 divisors (see below), whose sum is σ = 55248500736. Its totient is φ = 27048246576.

The previous prime is 41004043219. The next prime is 41004043237. The reversal of 41004043221 is 12234040014.

It is not a de Polignac number, because 41004043221 - 2¹ = 41004043219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41004043261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323656 + ... + 432158.

It is an arithmetic number, because the mean of its divisors is an integer number (3453031296).

Almost surely, 2^41004043221 is an apocalyptic number.

It is an amenable number.

41004043221 is a deficient number, since it is larger than the sum of its proper divisors (14244457515).

41004043221 is a wasteful number, since it uses less digits than its factorization.

41004043221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109832.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 41004043221 its reverse (12234040014), we get a palindrome (53238083235).

The spelling of 41004043221 in words is "forty-one billion, four million, forty-three thousand, two hundred twenty-one".