444310223818 has 16 divisors (see below), whose sum is σ = 704209936320. Its totient is φ = 209662494336.

The previous prime is 444310223813. The next prime is 444310223843. The reversal of 444310223818 is 818322013444.

It is not an unprimeable number, because it can be changed into a prime (444310223813) 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, 22218855 + ... + 22238842.

It is an arithmetic number, because the mean of its divisors is an integer number (44013121020).

Almost surely, 2^444310223818 is an apocalyptic number.

444310223818 is a deficient number, since it is larger than the sum of its proper divisors (259899712502).

444310223818 is a wasteful number, since it uses less digits than its factorization.

444310223818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44457981.

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 444310223818 in words is "four hundred forty-four billion, three hundred ten million, two hundred twenty-three thousand, eight hundred eighteen".