42005206005 has 16 divisors (see below), whose sum is σ = 76809519744. Its totient is φ = 19202379840.

The previous prime is 42005205997. The next prime is 42005206027. The reversal of 42005206005 is 50060250024.

It is not a de Polignac number, because 42005206005 - 2³ = 42005205997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200024686 + ... + 200024895.

It is an arithmetic number, because the mean of its divisors is an integer number (4800594984).

Almost surely, 2^42005206005 is an apocalyptic number.

It is an amenable number.

42005206005 is a deficient number, since it is larger than the sum of its proper divisors (34804313739).

42005206005 is a wasteful number, since it uses less digits than its factorization.

42005206005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400049596.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 42005206005 its reverse (50060250024), we get a palindrome (92065456029).

The spelling of 42005206005 in words is "forty-two billion, five million, two hundred six thousand, five".