444040844805 has 32 divisors (see below), whose sum is σ = 789668150400. Its totient is φ = 236743122816.

The previous prime is 444040844777. The next prime is 444040844831. The reversal of 444040844805 is 508448040444.

It is a de Polignac number, because none of the positive numbers 2^k-444040844805 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137184 + ... + 952313.

It is an arithmetic number, because the mean of its divisors is an integer number (24677129700).

Almost surely, 2^444040844805 is an apocalyptic number.

444040844805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

444040844805 is a deficient number, since it is larger than the sum of its proper divisors (345627305595).

444040844805 is a wasteful number, since it uses less digits than its factorization.

444040844805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092530 (or 1092524 counting only the distinct ones).

The product of its (nonzero) digits is 1310720, while the sum is 45.

The spelling of 444040844805 in words is "four hundred forty-four billion, forty million, eight hundred forty-four thousand, eight hundred five".