42444240022205 has 96 divisors (see below), whose sum is σ = 60365125177056. Its totient is φ = 28561751801856.

The previous prime is 42444240022201. The next prime is 42444240022237. The reversal of 42444240022205 is 50222004244424.

It can be written as a sum of positive squares in 16 ways, for example, as 15486161080516 + 26958078941689 = 3935246^2 + 5192117^2 .

It is not a de Polignac number, because 42444240022205 - 2² = 42444240022201 is a prime.

It is a super-2 number, since 2×42444240022205² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42444240022201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3050682329 + ... + 3050696241.

It is an arithmetic number, because the mean of its divisors is an integer number (628803387261).

Almost surely, 2^{42444240022205} is an apocalyptic number.

It is an amenable number.

42444240022205 is a deficient number, since it is larger than the sum of its proper divisors (17920885154851).

42444240022205 is a wasteful number, since it uses less digits than its factorization.

42444240022205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15103 (or 15096 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 35.

Adding to 42444240022205 its reverse (50222004244424), we get a palindrome (92666244266629).

The spelling of 42444240022205 in words is "forty-two trillion, four hundred forty-four billion, two hundred forty million, twenty-two thousand, two hundred five".