42444442422244 has 12 divisors (see below), whose sum is σ = 76839076799100. Its totient is φ = 20490420479648.

The previous prime is 42444442422229. The next prime is 42444442422251. The reversal of 42444442422244 is 44222424444424.

It can be written as a sum of positive squares in 2 ways, for example, as 10658187737344 + 31786254684900 = 3264688^2 + 5637930^2 .

It is a super-3 number, since 3×42444442422244³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 42444442422194 and 42444442422203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182950182739 + ... + 182950182970.

It is an arithmetic number, because the mean of its divisors is an integer number (6403256399925).

Almost surely, 2^{42444442422244} is an apocalyptic number.

It is an amenable number.

42444442422244 is a deficient number, since it is larger than the sum of its proper divisors (34394634376856).

42444442422244 is a wasteful number, since it uses less digits than its factorization.

42444442422244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365900365742 (or 365900365740 counting only the distinct ones).

The product of its digits is 8388608, while the sum is 46.

Adding to 42444442422244 its reverse (44222424444424), we get a palindrome (86666866866668).

The spelling of 42444442422244 in words is "forty-two trillion, four hundred forty-four billion, four hundred forty-two million, four hundred twenty-two thousand, two hundred forty-four".