42244004444 has 24 divisors (see below), whose sum is σ = 76128112368. Its totient is φ = 20499373440.

The previous prime is 42244004399. The next prime is 42244004503. The reversal of 42244004444 is 44440044224.

It is a super-2 number, since 2×42244004444² (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 42244004444.

It is a congruent number.

It is an unprimeable number.

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, 755177 + ... + 809184.

It is an arithmetic number, because the mean of its divisors is an integer number (3172004682).

Almost surely, 2^42244004444 is an apocalyptic number.

It is an amenable number.

42244004444 is a deficient number, since it is larger than the sum of its proper divisors (33884107924).

42244004444 is a wasteful number, since it uses less digits than its factorization.

42244004444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564565 (or 1564563 counting only the distinct ones).

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

Adding to 42244004444 its reverse (44440044224), we get a palindrome (86684048668).

The spelling of 42244004444 in words is "forty-two billion, two hundred forty-four million, four thousand, four hundred forty-four".