42043013244 has 18 divisors (see below), whose sum is σ = 106275394680. Its totient is φ = 14014337736.

The previous prime is 42043013237. The next prime is 42043013273. The reversal of 42043013244 is 44231034024.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×42043013244² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 583930704 + ... + 583930775.

Almost surely, 2^42043013244 is an apocalyptic number.

It is an amenable number.

42043013244 is an abundant number, since it is smaller than the sum of its proper divisors (64232381436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42043013244 is a wasteful number, since it uses less digits than its factorization.

42043013244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167861489 (or 1167861484 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42043013244 its reverse (44231034024), we get a palindrome (86274047268).

The spelling of 42043013244 in words is "forty-two billion, forty-three million, thirteen thousand, two hundred forty-four".