40442444224244 has 12 divisors (see below), whose sum is σ = 71475012812868. Its totient is φ = 20021011992000.

The previous prime is 40442444224243. The next prime is 40442444224261. The reversal of 40442444224244 is 44242244424404.

It can be written as a sum of positive squares in 2 ways, for example, as 38412873587344 + 2029570636900 = 6197812^2 + 1424630^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40442444224195 and 40442444224204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40442444224241) 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, 50052529577 + ... + 50052530384.

It is an arithmetic number, because the mean of its divisors is an integer number (5956251067739).

Almost surely, 2^{40442444224244} is an apocalyptic number.

It is an amenable number.

40442444224244 is a deficient number, since it is larger than the sum of its proper divisors (31032568588624).

40442444224244 is a wasteful number, since it uses less digits than its factorization.

40442444224244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100105060066 (or 100105060064 counting only the distinct ones).

The product of its (nonzero) digits is 4194304, while the sum is 44.

Adding to 40442444224244 its reverse (44242244424404), we get a palindrome (84684688648648).

The spelling of 40442444224244 in words is "forty trillion, four hundred forty-two billion, four hundred forty-four million, two hundred twenty-four thousand, two hundred forty-four".