42043444134 has 32 divisors (see below), whose sum is σ = 85473273600. Its totient is φ = 13785244512.

The previous prime is 42043444133. The next prime is 42043444153. The reversal of 42043444134 is 43144434024.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42043444095 and 42043444104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42043444133) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 136212 + ... + 320375.

It is an arithmetic number, because the mean of its divisors is an integer number (2671039800).

Almost surely, 2^42043444134 is an apocalyptic number.

42043444134 is an abundant number, since it is smaller than the sum of its proper divisors (43429829466).

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

42043444134 is a wasteful number, since it uses less digits than its factorization.

42043444134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456844.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 42043444134 its reverse (43144434024), we get a palindrome (85187878158).

The spelling of 42043444134 in words is "forty-two billion, forty-three million, four hundred forty-four thousand, one hundred thirty-four".