444404044406 has 24 divisors (see below), whose sum is σ = 777674466216. Its totient is φ = 189909988800.

The previous prime is 444404044369. The next prime is 444404044421. The reversal of 444404044406 is 604440404444.

It is a self number, because there is not a number n which added to its sum of digits gives 444404044406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6500195 + ... + 6568206.

It is an arithmetic number, because the mean of its divisors is an integer number (32403102759).

Almost surely, 2^444404044406 is an apocalyptic number.

444404044406 is a deficient number, since it is larger than the sum of its proper divisors (333270421810).

444404044406 is a wasteful number, since it uses less digits than its factorization.

444404044406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13068764 (or 13068757 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 38.

The spelling of 444404044406 in words is "four hundred forty-four billion, four hundred four million, forty-four thousand, four hundred six".