2005423242 has 32 divisors (see below), whose sum is σ = 4130058240. Its totient is φ = 648775680.

The previous prime is 2005423193. The next prime is 2005423243. The reversal of 2005423242 is 2423245002.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2005423243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26359 + ... + 68597.

It is an arithmetic number, because the mean of its divisors is an integer number (129064320).

Almost surely, 2^2005423242 is an apocalyptic number.

2005423242 is an abundant number, since it is smaller than the sum of its proper divisors (2124634998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2005423242 is a wasteful number, since it uses less digits than its factorization.

2005423242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42478.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 2005423242 is about 44781.9521905868. The cubic root of 2005423242 is about 1261.0588315619.

Adding to 2005423242 its reverse (2423245002), we get a palindrome (4428668244).

The spelling of 2005423242 in words is "two billion, five million, four hundred twenty-three thousand, two hundred forty-two".