40444004422 has 4 divisors (see below), whose sum is σ = 60666006636. Its totient is φ = 20222002210.

The previous prime is 40444004413. The next prime is 40444004441. The reversal of 40444004422 is 22440044404.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111001104 + ... + 10111001107.

It is an arithmetic number, because the mean of its divisors is an integer number (15166501659).

Almost surely, 2^40444004422 is an apocalyptic number.

40444004422 is a deficient number, since it is larger than the sum of its proper divisors (20222002214).

40444004422 is a wasteful number, since it uses less digits than its factorization.

40444004422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20222002213.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40444004422 its reverse (22440044404), we get a palindrome (62884048826).

The spelling of 40444004422 in words is "forty billion, four hundred forty-four million, four thousand, four hundred twenty-two".