40441222030221 has 6 divisors (see below), whose sum is σ = 58415098488110. Its totient is φ = 26960814686808.

The previous prime is 40441222030219. The next prime is 40441222030289. The reversal of 40441222030221 is 12203022214404.

It is a happy number.

40441222030221 is a `hidden beast` number, since 4 + 0 + 4 + 412 + 2 + 20 + 3 + 0 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 26578035741321 + 13863186288900 = 5155389^2 + 3723330^2 .

It is not a de Polignac number, because 40441222030221 - 2¹ = 40441222030219 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40441222032221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2246734557226 + ... + 2246734557243.

Almost surely, 2^{40441222030221} is an apocalyptic number.

It is an amenable number.

40441222030221 is a deficient number, since it is larger than the sum of its proper divisors (17973876457889).

40441222030221 is a wasteful number, since it uses less digits than its factorization.

40441222030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4493469114475 (or 4493469114472 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 40441222030221 its reverse (12203022214404), we get a palindrome (52644244244625).

The spelling of 40441222030221 in words is "forty trillion, four hundred forty-one billion, two hundred twenty-two million, thirty thousand, two hundred twenty-one".