42080043 has 4 divisors (see below), whose sum is σ = 56106728. Its totient is φ = 28053360.

The previous prime is 42080029. The next prime is 42080069. The reversal of 42080043 is 34008024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42080043 - 2⁵ = 42080011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42080023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7013338 + ... + 7013343.

It is an arithmetic number, because the mean of its divisors is an integer number (14026682).

Almost surely, 2^42080043 is an apocalyptic number.

42080043 is a deficient number, since it is larger than the sum of its proper divisors (14026685).

42080043 is a wasteful number, since it uses less digits than its factorization.

42080043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14026684.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 42080043 is about 6486.9132104569. The cubic root of 42080043 is about 347.8233430900.

Adding to 42080043 its reverse (34008024), we get a palindrome (76088067).

The spelling of 42080043 in words is "forty-two million, eighty thousand, forty-three".