42586742920185 has 96 divisors (see below), whose sum is σ = 79011018777600. Its totient is φ = 21157507566720.

The previous prime is 42586742920159. The next prime is 42586742920199. The reversal of 42586742920185 is 58102924768524.

42586742920185 is a `hidden beast` number, since 4 + 2 + 5 + 8 + 6 + 7 + 429 + 20 + 185 = 666.

It is not a de Polignac number, because 42586742920185 - 2⁹ = 42586742919673 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13551556 + ... + 16395674.

It is an arithmetic number, because the mean of its divisors is an integer number (823031445600).

Almost surely, 2^{42586742920185} is an apocalyptic number.

42586742920185 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42586742920185 is a deficient number, since it is larger than the sum of its proper divisors (36424275857415).

42586742920185 is a wasteful number, since it uses less digits than its factorization.

42586742920185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844443 (or 2844440 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 63.

The spelling of 42586742920185 in words is "forty-two trillion, five hundred eighty-six billion, seven hundred forty-two million, nine hundred twenty thousand, one hundred eighty-five".