1398344363368 has 32 divisors (see below), whose sum is σ = 2780741842560. Its totient is φ = 657809887680.

The previous prime is 1398344363363. The next prime is 1398344363371. The reversal of 1398344363368 is 8633634438931.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is not an unprimeable number, because it can be changed into a prime (1398344363363) 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, 62281380 + ... + 62303827.

It is an arithmetic number, because the mean of its divisors is an integer number (86898182580).

Almost surely, 2^{1398344363368} is an apocalyptic number.

It is an amenable number.

1398344363368 is a deficient number, since it is larger than the sum of its proper divisors (1382397479192).

1398344363368 is a wasteful number, since it uses less digits than its factorization.

1398344363368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124585297 (or 124585293 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 61.

The spelling of 1398344363368 in words is "one trillion, three hundred ninety-eight billion, three hundred forty-four million, three hundred sixty-three thousand, three hundred sixty-eight".