440000444044 has 24 divisors (see below), whose sum is σ = 889073067680. Its totient is φ = 186627580416.

The previous prime is 440000443997. The next prime is 440000444057. The reversal of 440000444044 is 440444000044.

It is a Harshad number since it is a multiple of its sum of digits (28).

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 7 ways as a sum of consecutive naturals, for example, 80998839 + ... + 81004270.

Almost surely, 2^440000444044 is an apocalyptic number.

It is an amenable number.

440000444044 is an abundant number, since it is smaller than the sum of its proper divisors (449072623636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440000444044 is a wasteful number, since it uses less digits than its factorization.

440000444044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162003217 (or 162003215 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 440000444044 its reverse (440444000044), we get a palindrome (880444444088).

The spelling of 440000444044 in words is "four hundred forty billion, four hundred forty-four thousand, forty-four".