42442244442441 has 12 divisors (see below), whose sum is σ = 63419445718980. Its totient is φ = 27319145847840.

The previous prime is 42442244442427. The next prime is 42442244442443. The reversal of 42442244442441 is 14424444224424.

It can be written as a sum of positive squares in 2 ways, for example, as 19878043910400 + 22564200532041 = 4458480^2 + 4750179^2 .

It is not a de Polignac number, because 42442244442441 - 2⁹ = 42442244441929 is a prime.

It is a super-2 number, since 2×42442244442441² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42442244442443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81306981430 + ... + 81306981951.

It is an arithmetic number, because the mean of its divisors is an integer number (5284953809915).

Almost surely, 2^{42442244442441} is an apocalyptic number.

It is an amenable number.

42442244442441 is a deficient number, since it is larger than the sum of its proper divisors (20977201276539).

42442244442441 is a wasteful number, since it uses less digits than its factorization.

42442244442441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162613963416 (or 162613963413 counting only the distinct ones).

The product of its digits is 4194304, while the sum is 45.

Adding to 42442244442441 its reverse (14424444224424), we get a palindrome (56866688666865).

The spelling of 42442244442441 in words is "forty-two trillion, four hundred forty-two billion, two hundred forty-four million, four hundred forty-two thousand, four hundred forty-one".