4142806185 has 24 divisors (see below), whose sum is σ = 7710693696. Its totient is φ = 1893853920.

The previous prime is 4142806139. The next prime is 4142806219. The reversal of 4142806185 is 5816082414.

It is not a de Polignac number, because 4142806185 - 2¹⁴ = 4142789801 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2817501 + ... + 2818970.

It is an arithmetic number, because the mean of its divisors is an integer number (321278904).

Almost surely, 2^4142806185 is an apocalyptic number.

It is an amenable number.

4142806185 is a deficient number, since it is larger than the sum of its proper divisors (3567887511).

4142806185 is a wasteful number, since it uses less digits than its factorization.

4142806185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5636493 (or 5636486 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 4142806185 is about 64364.6345829758. The cubic root of 4142806185 is about 1606.0714868509.

Adding to 4142806185 its reverse (5816082414), we get a palindrome (9958888599).

The spelling of 4142806185 in words is "four billion, one hundred forty-two million, eight hundred six thousand, one hundred eighty-five".