40004040444422 has 16 divisors (see below), whose sum is σ = 61945662667392. Its totient is φ = 19355567943360.

The previous prime is 40004040444421. The next prime is 40004040444427. The reversal of 40004040444422 is 22444404040004.

It is a super-2 number, since 2×40004040444422² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40004040444421) 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 7 ways as a sum of consecutive naturals, for example, 19443023 + ... + 21401850.

It is an arithmetic number, because the mean of its divisors is an integer number (3871603916712).

Almost surely, 2^{40004040444422} is an apocalyptic number.

40004040444422 is a deficient number, since it is larger than the sum of its proper divisors (21941622222970).

40004040444422 is a wasteful number, since it uses less digits than its factorization.

40004040444422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40860703.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40004040444422 its reverse (22444404040004), we get a palindrome (62448444484426).

The spelling of 40004040444422 in words is "forty trillion, four billion, forty million, four hundred forty-four thousand, four hundred twenty-two".