42242134312442 has 16 divisors (see below), whose sum is σ = 64489803380232. Its totient is φ = 20746477926720.

The previous prime is 42242134312303. The next prime is 42242134312493. The reversal of 42242134312442 is 24421343124224.

42242134312442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 29596635597841 + 12645498714601 = 5440279^2 + 3556051^2 .

It is a super-2 number, since 2×42242134312442² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42242134312396 and 42242134312405.

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 7 ways as a sum of consecutive naturals, for example, 236095433 + ... + 236274284.

Almost surely, 2^{42242134312442} is an apocalyptic number.

42242134312442 is a deficient number, since it is larger than the sum of its proper divisors (22247669067790).

42242134312442 is a wasteful number, since it uses less digits than its factorization.

42242134312442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472370513.

The product of its digits is 294912, while the sum is 38.

Adding to 42242134312442 its reverse (24421343124224), we get a palindrome (66663477436666).

The spelling of 42242134312442 in words is "forty-two trillion, two hundred forty-two billion, one hundred thirty-four million, three hundred twelve thousand, four hundred forty-two".