42004122043 has 16 divisors (see below), whose sum is σ = 45616386816. Its totient is φ = 38446780320.

The previous prime is 42004121977. The next prime is 42004122077. The reversal of 42004122043 is 34022140024.

It is a happy number.

42004122043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-42004122043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42004122443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2318980 + ... + 2337022.

It is an arithmetic number, because the mean of its divisors is an integer number (2851024176).

Almost surely, 2^42004122043 is an apocalyptic number.

42004122043 is a deficient number, since it is larger than the sum of its proper divisors (3612264773).

42004122043 is a wasteful number, since it uses less digits than its factorization.

42004122043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19554.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 42004122043 its reverse (34022140024), we get a palindrome (76026262067).

The spelling of 42004122043 in words is "forty-two billion, four million, one hundred twenty-two thousand, forty-three".