2142140442 has 16 divisors (see below), whose sum is σ = 4613841120. Its totient is φ = 659120112.

The previous prime is 2142140423. The next prime is 2142140513. The reversal of 2142140442 is 2440412412.

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 7 ways as a sum of consecutive naturals, for example, 13731592 + ... + 13731747.

It is an arithmetic number, because the mean of its divisors is an integer number (288365070).

Almost surely, 2^2142140442 is an apocalyptic number.

2142140442 is an abundant number, since it is smaller than the sum of its proper divisors (2471700678).

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

2142140442 is a wasteful number, since it uses less digits than its factorization.

2142140442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27463357.

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 2142140442 is about 46283.2630872111. The cubic root of 2142140442 is about 1289.0882410131.

Adding to 2142140442 its reverse (2440412412), we get a palindrome (4582552854).

The spelling of 2142140442 in words is "two billion, one hundred forty-two million, one hundred forty thousand, four hundred forty-two".