4117218217990 has 16 divisors (see below), whose sum is σ = 7423202017152. Its totient is φ = 1644174126144.

The previous prime is 4117218217933. The next prime is 4117218217991. The reversal of 4117218217990 is 997128127114.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4117218217991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339138759 + ... + 339150898.

It is an arithmetic number, because the mean of its divisors is an integer number (463950126072).

Almost surely, 2^{4117218217990} is an apocalyptic number.

4117218217990 is a deficient number, since it is larger than the sum of its proper divisors (3305983799162).

4117218217990 is a wasteful number, since it uses less digits than its factorization.

4117218217990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678290271.

The product of its (nonzero) digits is 508032, while the sum is 52.

The spelling of 4117218217990 in words is "four trillion, one hundred seventeen billion, two hundred eighteen million, two hundred seventeen thousand, nine hundred ninety".