42043031244 has 18 divisors (see below), whose sum is σ = 106275440180. Its totient is φ = 14014343736.

The previous prime is 42043031227. The next prime is 42043031249. The reversal of 42043031244 is 44213034024.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (42043031249) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 583930954 + ... + 583931025.

Almost surely, 2^42043031244 is an apocalyptic number.

It is an amenable number.

42043031244 is an abundant number, since it is smaller than the sum of its proper divisors (64232408936).

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

42043031244 is a wasteful number, since it uses less digits than its factorization.

42043031244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167861989 (or 1167861984 counting only the distinct ones).

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

Adding to 42043031244 its reverse (44213034024), we get a palindrome (86256065268).

The spelling of 42043031244 in words is "forty-two billion, forty-three million, thirty-one thousand, two hundred forty-four".