41442020034221 has 4 divisors (see below), whose sum is σ = 41442690537852. Its totient is φ = 41441349530592.

The previous prime is 41442020034209. The next prime is 41442020034263. The reversal of 41442020034221 is 12243002024414.

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 36983292169321 + 4458727864900 = 6081389^2 + 2111570^2 .

It is a cyclic number.

It is not a de Polignac number, because 41442020034221 - 2³⁰ = 41440946292397 is a prime.

It is a super-2 number, since 2×41442020034221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41442020034281) 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, 335159096 + ... + 335282721.

It is an arithmetic number, because the mean of its divisors is an integer number (10360672634463).

Almost surely, 2^{41442020034221} is an apocalyptic number.

It is an amenable number.

41442020034221 is a deficient number, since it is larger than the sum of its proper divisors (670503631).

41442020034221 is an equidigital number, since it uses as much as digits as its factorization.

41442020034221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670503630.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 41442020034221 its reverse (12243002024414), we get a palindrome (53685022058635).

The spelling of 41442020034221 in words is "forty-one trillion, four hundred forty-two billion, twenty million, thirty-four thousand, two hundred twenty-one".