2042042404042 has 8 divisors (see below), whose sum is σ = 3063071593476. Its totient is φ = 1021018539552.

The previous prime is 2042042404009. The next prime is 2042042404067. The reversal of 2042042404042 is 2404042402402.

It can be written as a sum of positive squares in 2 ways, for example, as 1993374073161 + 48668330881 = 1411869^2 + 220609^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2042042404042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169893 + ... + 2028040.

Almost surely, 2^{2042042404042} is an apocalyptic number.

2042042404042 is a deficient number, since it is larger than the sum of its proper divisors (1021029189434).

2042042404042 is a wasteful number, since it uses less digits than its factorization.

2042042404042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662472.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 2042042404042 its reverse (2404042402402), we get a palindrome (4446084806444).

The spelling of 2042042404042 in words is "two trillion, forty-two billion, forty-two million, four hundred four thousand, forty-two".