2005042540442 has 8 divisors (see below), whose sum is σ = 3029200960800. Its totient is φ = 995308886844.

The previous prime is 2005042540387. The next prime is 2005042540531. The reversal of 2005042540442 is 2440452405002.

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

It is a junction number, because it is equal to n+sod(n) for n = 2005042540399 and 2005042540408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3606191342 + ... + 3606191897.

It is an arithmetic number, because the mean of its divisors is an integer number (378650120100).

Almost surely, 2^{2005042540442} is an apocalyptic number.

2005042540442 is a deficient number, since it is larger than the sum of its proper divisors (1024158420358).

2005042540442 is a wasteful number, since it uses less digits than its factorization.

2005042540442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7212383380.

The product of its (nonzero) digits is 51200, while the sum is 32.

Adding to 2005042540442 its reverse (2440452405002), we get a palindrome (4445494945444).

The spelling of 2005042540442 in words is "two trillion, five billion, forty-two million, five hundred forty thousand, four hundred forty-two".