42420322205 has 48 divisors (see below), whose sum is σ = 54696672576. Its totient is φ = 31561770240.

The previous prime is 42420322183. The next prime is 42420322213. The reversal of 42420322205 is 50222302424.

It is a happy number.

It is not a de Polignac number, because 42420322205 - 2²⁶ = 42353213341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48040694 + ... + 48041576.

It is an arithmetic number, because the mean of its divisors is an integer number (1139514012).

Almost surely, 2^42420322205 is an apocalyptic number.

It is an amenable number.

42420322205 is a deficient number, since it is larger than the sum of its proper divisors (12276350371).

42420322205 is a wasteful number, since it uses less digits than its factorization.

42420322205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418 (or 1395 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 42420322205 its reverse (50222302424), we get a palindrome (92642624629).

The spelling of 42420322205 in words is "forty-two billion, four hundred twenty million, three hundred twenty-two thousand, two hundred five".