4394881218448 has 40 divisors (see below), whose sum is σ = 9737353862720. Its totient is φ = 1882391909760.

The previous prime is 4394881218359. The next prime is 4394881218463. The reversal of 4394881218448 is 8448121884934.

It is a self number, because there is not a number n which added to its sum of digits gives 4394881218448.

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, 11568618 + ... + 11942473.

It is an arithmetic number, because the mean of its divisors is an integer number (243433846568).

Almost surely, 2^{4394881218448} is an apocalyptic number.

It is an amenable number.

4394881218448 is an abundant number, since it is smaller than the sum of its proper divisors (5342472644272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4394881218448 is a wasteful number, since it uses less digits than its factorization.

4394881218448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23512775 (or 23512769 counting only the distinct ones).

The product of its digits is 56623104, while the sum is 64.

The spelling of 4394881218448 in words is "four trillion, three hundred ninety-four billion, eight hundred eighty-one million, two hundred eighteen thousand, four hundred forty-eight".