42042011405 has 8 divisors (see below), whose sum is σ = 50483548512. Its totient is φ = 33611519248.

The previous prime is 42042011393. The next prime is 42042011441. The reversal of 42042011405 is 50411024024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42042011405 - 2⁸ = 42042011149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2752859 + ... + 2768088.

It is an arithmetic number, because the mean of its divisors is an integer number (6310443564).

Almost surely, 2^42042011405 is an apocalyptic number.

It is an amenable number.

42042011405 is a deficient number, since it is larger than the sum of its proper divisors (8441537107).

42042011405 is a wasteful number, since it uses less digits than its factorization.

42042011405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5522475.

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 42042011405 its reverse (50411024024), we get a palindrome (92453035429).

The spelling of 42042011405 in words is "forty-two billion, forty-two million, eleven thousand, four hundred five".