4044123042242 has 8 divisors (see below), whose sum is σ = 6275363341500. Its totient is φ = 1952335261744.

The previous prime is 4044123042181. The next prime is 4044123042247. The reversal of 4044123042242 is 2422403214404.

It can be written as a sum of positive squares in 2 ways, for example, as 3788126508721 + 255996533521 = 1946311^2 + 505961^2 .

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 = 4044123042199 and 4044123042208.

It is not an unprimeable number, because it can be changed into a prime (4044123042247) by changing a digit.

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, 34863129617 + ... + 34863129732.

Almost surely, 2^{4044123042242} is an apocalyptic number.

4044123042242 is a deficient number, since it is larger than the sum of its proper divisors (2231240299258).

4044123042242 is a wasteful number, since it uses less digits than its factorization.

4044123042242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69726259380.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 4044123042242 its reverse (2422403214404), we get a palindrome (6466526256646).

The spelling of 4044123042242 in words is "four trillion, forty-four billion, one hundred twenty-three million, forty-two thousand, two hundred forty-two".