42005034505 has 16 divisors (see below), whose sum is σ = 57613440384. Its totient is φ = 28800184320.

The previous prime is 42005034479. The next prime is 42005034553. The reversal of 42005034505 is 50543050024.

It is not a de Polignac number, because 42005034505 - 2⁵ = 42005034473 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 268210 + ... + 394900.

It is an arithmetic number, because the mean of its divisors is an integer number (3600840024).

Almost surely, 2^42005034505 is an apocalyptic number.

It is an amenable number.

42005034505 is a deficient number, since it is larger than the sum of its proper divisors (15608405879).

42005034505 is a wasteful number, since it uses less digits than its factorization.

42005034505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136176.

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 42005034505 its reverse (50543050024), we get a palindrome (92548084529).

The spelling of 42005034505 in words is "forty-two billion, five million, thirty-four thousand, five hundred five".