42003112444 has 12 divisors (see below), whose sum is σ = 73737327384. Its totient is φ = 20935304624.

The previous prime is 42003112433. The next prime is 42003112469. The reversal of 42003112444 is 44421130024.

It is a super-2 number, since 2×42003112444² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 16561474 + ... + 16564009.

It is an arithmetic number, because the mean of its divisors is an integer number (6144777282).

Almost surely, 2^42003112444 is an apocalyptic number.

It is an amenable number.

42003112444 is a deficient number, since it is larger than the sum of its proper divisors (31734214940).

42003112444 is a wasteful number, since it uses less digits than its factorization.

42003112444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33125804 (or 33125802 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42003112444 its reverse (44421130024), we get a palindrome (86424242468).

The spelling of 42003112444 in words is "forty-two billion, three million, one hundred twelve thousand, four hundred forty-four".