2042444402242 has 8 divisors (see below), whose sum is σ = 3076485292800. Its totient is φ = 1016949304644.

The previous prime is 2042444402227. The next prime is 2042444402249. The reversal of 2042444402242 is 2422044442402.

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 = 2042444402198 and 2042444402207.

It is not an unprimeable number, because it can be changed into a prime (2042444402249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2136447642 + ... + 2136448597.

It is an arithmetic number, because the mean of its divisors is an integer number (384560661600).

Almost surely, 2^{2042444402242} is an apocalyptic number.

2042444402242 is a deficient number, since it is larger than the sum of its proper divisors (1034040890558).

2042444402242 is a wasteful number, since it uses less digits than its factorization.

2042444402242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272896480.

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 2042444402242 its reverse (2422044442402), we get a palindrome (4464488844644).

The spelling of 2042444402242 in words is "two trillion, forty-two billion, four hundred forty-four million, four hundred two thousand, two hundred forty-two".