418090042185 has 32 divisors (see below), whose sum is σ = 678466467840. Its totient is φ = 219816013248.

The previous prime is 418090042171. The next prime is 418090042189. The reversal of 418090042185 is 581240090814.

It is a de Polignac number, because none of the positive numbers 2^k-418090042185 is a prime.

It is not an unprimeable number, because it can be changed into a prime (418090042189) 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 31 ways as a sum of consecutive naturals, for example, 487602 + ... + 1036308.

It is an arithmetic number, because the mean of its divisors is an integer number (21202077120).

Almost surely, 2^418090042185 is an apocalyptic number.

It is an amenable number.

418090042185 is a deficient number, since it is larger than the sum of its proper divisors (260376425655).

418090042185 is a wasteful number, since it uses less digits than its factorization.

418090042185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549437.

The product of its (nonzero) digits is 92160, while the sum is 42.

The spelling of 418090042185 in words is "four hundred eighteen billion, ninety million, forty-two thousand, one hundred eighty-five".