40422204442 has 16 divisors (see below), whose sum is σ = 60887910600. Its totient is φ = 20126306880.

The previous prime is 40422204437. The next prime is 40422204443. The reversal of 40422204442 is 24440222404.

It can be written as a sum of positive squares in 4 ways, for example, as 32862075841 + 7560128601 = 181279^2 + 86949^2 .

It is a super-2 number, since 2×40422204442² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40422204442.

It is not an unprimeable number, because it can be changed into a prime (40422204443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1177984 + ... + 1211812.

Almost surely, 2^40422204442 is an apocalyptic number.

40422204442 is a deficient number, since it is larger than the sum of its proper divisors (20465706158).

40422204442 is a wasteful number, since it uses less digits than its factorization.

40422204442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36321.

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

Adding to 40422204442 its reverse (24440222404), we get a palindrome (64862426846).

The spelling of 40422204442 in words is "forty billion, four hundred twenty-two million, two hundred four thousand, four hundred forty-two".