398068218244 has 24 divisors (see below), whose sum is σ = 700610758848. Its totient is φ = 197894164320.

The previous prime is 398068218217. The next prime is 398068218269. The reversal of 398068218244 is 442812860893.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3673017 + ... + 3779839.

It is an arithmetic number, because the mean of its divisors is an integer number (29192114952).

Almost surely, 2^398068218244 is an apocalyptic number.

It is an amenable number.

398068218244 is a deficient number, since it is larger than the sum of its proper divisors (302542540604).

398068218244 is a wasteful number, since it uses less digits than its factorization.

398068218244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112155 (or 112153 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 55.

The spelling of 398068218244 in words is "three hundred ninety-eight billion, sixty-eight million, two hundred eighteen thousand, two hundred forty-four".