2142242042 has 16 divisors (see below), whose sum is σ = 3371403264. Its totient is φ = 1019574000.

The previous prime is 2142242027. The next prime is 2142242051. The reversal of 2142242042 is 2402422412.

It is a junction number, because it is equal to n+sod(n) for n = 2142241999 and 2142242017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279434 + ... + 286997.

It is an arithmetic number, because the mean of its divisors is an integer number (210712704).

Almost surely, 2^2142242042 is an apocalyptic number.

2142242042 is a deficient number, since it is larger than the sum of its proper divisors (1229161222).

2142242042 is a wasteful number, since it uses less digits than its factorization.

2142242042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566525.

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

The square root of 2142242042 is about 46284.3606631873. The cubic root of 2142242042 is about 1289.1086208307.

Adding to 2142242042 its reverse (2402422412), we get a palindrome (4544664454).

The spelling of 2142242042 in words is "two billion, one hundred forty-two million, two hundred forty-two thousand, forty-two".