42806112170 has 8 divisors (see below), whose sum is σ = 77051001924. Its totient is φ = 17122444864.

The previous prime is 42806112163. The next prime is 42806112179. The reversal of 42806112170 is 7121160824.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41459882689 + 1346229481 = 203617^2 + 36691^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42806112170² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42806112179) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2140305599 + ... + 2140305618.

Almost surely, 2^42806112170 is an apocalyptic number.

42806112170 is a deficient number, since it is larger than the sum of its proper divisors (34244889754).

42806112170 is a wasteful number, since it uses less digits than its factorization.

42806112170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280611224.

The product of its (nonzero) digits is 5376, while the sum is 32.

Adding to 42806112170 its reverse (7121160824), we get a palindrome (49927272994).

The spelling of 42806112170 in words is "forty-two billion, eight hundred six million, one hundred twelve thousand, one hundred seventy".