444853648648 has 16 divisors (see below), whose sum is σ = 834107676480. Its totient is φ = 222424934928.

The previous prime is 444853648621. The next prime is 444853648663. The reversal of 444853648648 is 846846358444.

It is a self number, because there is not a number n which added to its sum of digits gives 444853648648.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1659861 + ... + 1909147.

It is an arithmetic number, because the mean of its divisors is an integer number (52131729780).

Almost surely, 2^444853648648 is an apocalyptic number.

It is an amenable number.

444853648648 is a deficient number, since it is larger than the sum of its proper divisors (389254027832).

444853648648 is a wasteful number, since it uses less digits than its factorization.

444853648648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472356 (or 472352 counting only the distinct ones).

The product of its digits is 283115520, while the sum is 64.

The spelling of 444853648648 in words is "four hundred forty-four billion, eight hundred fifty-three million, six hundred forty-eight thousand, six hundred forty-eight".