42585000178 has 32 divisors (see below), whose sum is σ = 75620505600. Its totient is φ = 17597974464.

The previous prime is 42585000131. The next prime is 42585000179. The reversal of 42585000178 is 87100058524.

It is a self number, because there is not a number n which added to its sum of digits gives 42585000178.

It is not an unprimeable number, because it can be changed into a prime (42585000179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238063 + ... + 376621.

It is an arithmetic number, because the mean of its divisors is an integer number (2363140800).

Almost surely, 2^42585000178 is an apocalyptic number.

42585000178 is a deficient number, since it is larger than the sum of its proper divisors (33035505422).

42585000178 is a wasteful number, since it uses less digits than its factorization.

42585000178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139354.

The product of its (nonzero) digits is 89600, while the sum is 40.

The spelling of 42585000178 in words is "forty-two billion, five hundred eighty-five million, one hundred seventy-eight", and thus it is an aban number.