2042440142 has 8 divisors (see below), whose sum is σ = 3065151456. Its totient is φ = 1020722992.

The previous prime is 2042440139. The next prime is 2042440151. The reversal of 2042440142 is 2410442402.

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

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 243383 + ... + 251634.

It is an arithmetic number, because the mean of its divisors is an integer number (383143932).

Almost surely, 2^2042440142 is an apocalyptic number.

2042440142 is a deficient number, since it is larger than the sum of its proper divisors (1022711314).

2042440142 is a wasteful number, since it uses less digits than its factorization.

2042440142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497082.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 2042440142 is about 45193.3639155131. The cubic root of 2042440142 is about 1268.7706172097.

Adding to 2042440142 its reverse (2410442402), we get a palindrome (4452882544).

The spelling of 2042440142 in words is "two billion, forty-two million, four hundred forty thousand, one hundred forty-two".