4180340985 has 32 divisors (see below), whose sum is σ = 6814938240. Its totient is φ = 2187698688.

The previous prime is 4180340963. The next prime is 4180341007. The reversal of 4180340985 is 5890430814.

It is an interprime number because it is at equal distance from previous prime (4180340963) and next prime (4180341007).

It is not a de Polignac number, because 4180340985 - 2⁹ = 4180340473 is a prime.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 206026 + ... + 225404.

It is an arithmetic number, because the mean of its divisors is an integer number (212966820).

Almost surely, 2^4180340985 is an apocalyptic number.

It is an amenable number.

4180340985 is a deficient number, since it is larger than the sum of its proper divisors (2634597255).

4180340985 is a wasteful number, since it uses less digits than its factorization.

4180340985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19657.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 4180340985 is about 64655.5564897558. The cubic root of 4180340985 is about 1610.9073733763.

The spelling of 4180340985 in words is "four billion, one hundred eighty million, three hundred forty thousand, nine hundred eighty-five".