40444414442 has 8 divisors (see below), whose sum is σ = 60693943332. Its totient is φ = 20213100000.

The previous prime is 40444414441. The next prime is 40444414457. The reversal of 40444414442 is 24441444404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39668290561 + 776123881 = 199169^2 + 27859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40444414441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4548059 + ... + 4556942.

Almost surely, 2^40444414442 is an apocalyptic number.

40444414442 is a deficient number, since it is larger than the sum of its proper divisors (20249528890).

40444414442 is a wasteful number, since it uses less digits than its factorization.

40444414442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9107224.

The product of its (nonzero) digits is 131072, while the sum is 35.

Adding to 40444414442 its reverse (24441444404), we get a palindrome (64885858846).

The spelling of 40444414442 in words is "forty billion, four hundred forty-four million, four hundred fourteen thousand, four hundred forty-two".