440000000445 has 16 divisors (see below), whose sum is σ = 704013926400. Its totient is φ = 234662025024.

The previous prime is 440000000443. The next prime is 440000000467. The reversal of 440000000445 is 544000000044.

440000000445 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 440000000445 - 2¹ = 440000000443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440000000441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577092 + ... + 1101378.

It is an arithmetic number, because the mean of its divisors is an integer number (44000870400).

Almost surely, 2^440000000445 is an apocalyptic number.

It is an amenable number.

440000000445 is a deficient number, since it is larger than the sum of its proper divisors (264013925955).

440000000445 is a wasteful number, since it uses less digits than its factorization.

440000000445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580244.

The product of its (nonzero) digits is 1280, while the sum is 21.

Adding to 440000000445 its reverse (544000000044), we get a palindrome (984000000489).

The spelling of 440000000445 in words is "four hundred forty billion, four hundred forty-five", and thus it is an aban number.