4001218682879 has 12 divisors (see below), whose sum is σ = 4398652320720. Its totient is φ = 3636959937600.

The previous prime is 4001218682869. The next prime is 4001218682933. The reversal of 4001218682879 is 9782868121004.

It is a de Polignac number, because none of the positive numbers 2^k-4001218682879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001218682869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1460219 + ... + 3183500.

It is an arithmetic number, because the mean of its divisors is an integer number (366554360060).

Almost surely, 2^{4001218682879} is an apocalyptic number.

4001218682879 is a deficient number, since it is larger than the sum of its proper divisors (397433637841).

4001218682879 is a wasteful number, since it uses less digits than its factorization.

4001218682879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650862 (or 4650851 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 56.

The spelling of 4001218682879 in words is "four trillion, one billion, two hundred eighteen million, six hundred eighty-two thousand, eight hundred seventy-nine".