42040161834185 has 16 divisors (see below), whose sum is σ = 51441802030080. Its totient is φ = 32970755238720.

The previous prime is 42040161834179. The next prime is 42040161834239. The reversal of 42040161834185 is 58143816104024.

42040161834185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42040161834185 - 2¹² = 42040161830089 is a prime.

It is a super-2 number, since 2×42040161834185² (a number of 28 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 64110065 + ... + 64762494.

It is an arithmetic number, because the mean of its divisors is an integer number (3215112626880).

Almost surely, 2^{42040161834185} is an apocalyptic number.

It is an amenable number.

42040161834185 is a deficient number, since it is larger than the sum of its proper divisors (9401640195895).

42040161834185 is a wasteful number, since it uses less digits than its factorization.

42040161834185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128873848.

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 42040161834185 in words is "forty-two trillion, forty billion, one hundred sixty-one million, eight hundred thirty-four thousand, one hundred eighty-five".