440444044408 has 8 divisors (see below), whose sum is σ = 825832583280. Its totient is φ = 220222022200.

The previous prime is 440444044373. The next prime is 440444044427. The reversal of 440444044408 is 804440444044.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527752768 + ... + 27527752783.

It is an arithmetic number, because the mean of its divisors is an integer number (103229072910).

Almost surely, 2^440444044408 is an apocalyptic number.

It is an amenable number.

440444044408 is a deficient number, since it is larger than the sum of its proper divisors (385388538872).

440444044408 is a wasteful number, since it uses less digits than its factorization.

440444044408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55055505557 (or 55055505553 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 40.

The spelling of 440444044408 in words is "four hundred forty billion, four hundred forty-four million, forty-four thousand, four hundred eight".