42087835178042 has 16 divisors (see below), whose sum is σ = 64870549455912. Its totient is φ = 20464889448960.

The previous prime is 42087835178017. The next prime is 42087835178063. The reversal of 42087835178042 is 24087153878024.

It is a happy number.

42087835178042 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 41509658954401 + 578176223641 = 6442799^2 + 760379^2 .

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, 142540559 + ... + 142835522.

Almost surely, 2^{42087835178042} is an apocalyptic number.

42087835178042 is a deficient number, since it is larger than the sum of its proper divisors (22782714277870).

42087835178042 is a wasteful number, since it uses less digits than its factorization.

42087835178042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285378113.

The product of its (nonzero) digits is 24084480, while the sum is 59.

The spelling of 42087835178042 in words is "forty-two trillion, eighty-seven billion, eight hundred thirty-five million, one hundred seventy-eight thousand, forty-two".