42086760185 has 16 divisors (see below), whose sum is σ = 52032785616. Its totient is φ = 32656036608.

The previous prime is 42086760091. The next prime is 42086760187. The reversal of 42086760185 is 58106768024.

It can be written as a sum of positive squares in 8 ways, for example, as 292273216 + 41794486969 = 17096^2 + 204437^2 .

It is not a de Polignac number, because 42086760185 - 2¹⁶ = 42086694649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42086760187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300182 + ... + 417471.

It is an arithmetic number, because the mean of its divisors is an integer number (3252049101).

Almost surely, 2^42086760185 is an apocalyptic number.

It is an amenable number.

42086760185 is a deficient number, since it is larger than the sum of its proper divisors (9946025431).

42086760185 is a wasteful number, since it uses less digits than its factorization.

42086760185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718012.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 42086760185 in words is "forty-two billion, eighty-six million, seven hundred sixty thousand, one hundred eighty-five".