4018481886194 has 8 divisors (see below), whose sum is σ = 6027732822060. Its totient is φ = 2009237612176.

The previous prime is 4018481886169. The next prime is 4018481886197. The reversal of 4018481886194 is 4916881848104.

It can be written as a sum of positive squares in 2 ways, for example, as 3493852564225 + 524629321969 = 1869185^2 + 724313^2 .

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

It is a super-2 number, since 2×4018481886194² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4018481886197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312272 + ... + 2852100.

Almost surely, 2^{4018481886194} is an apocalyptic number.

4018481886194 is a deficient number, since it is larger than the sum of its proper divisors (2009250935866).

4018481886194 is a wasteful number, since it uses less digits than its factorization.

4018481886194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330924.

The product of its (nonzero) digits is 14155776, while the sum is 62.

The spelling of 4018481886194 in words is "four trillion, eighteen billion, four hundred eighty-one million, eight hundred eighty-six thousand, one hundred ninety-four".