40445327420444 has 12 divisors (see below), whose sum is σ = 70780549791504. Its totient is φ = 20222313194304.

The previous prime is 40445327420431. The next prime is 40445327420471. The reversal of 40445327420444 is 44402472354404.

It is a happy number.

40445327420444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87369272 + ... + 87830975.

It is an arithmetic number, because the mean of its divisors is an integer number (5898379149292).

Almost surely, 2^{40445327420444} is an apocalyptic number.

It is an amenable number.

40445327420444 is a deficient number, since it is larger than the sum of its proper divisors (30335222371060).

40445327420444 is a wasteful number, since it uses less digits than its factorization.

40445327420444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175257964 (or 175257962 counting only the distinct ones).

The product of its (nonzero) digits is 6881280, while the sum is 47.

Adding to 40445327420444 its reverse (44402472354404), we get a palindrome (84847799774848).

The spelling of 40445327420444 in words is "forty trillion, four hundred forty-five billion, three hundred twenty-seven million, four hundred twenty thousand, four hundred forty-four".