440004440444 has 12 divisors (see below), whose sum is σ = 777945995904. Its totient is φ = 217734155904.

The previous prime is 440004440401. The next prime is 440004440459. The reversal of 440004440444 is 444044400044.

It is a super-2 number, since 2×440004440444² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 440004440444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567015644 + ... + 567016419.

It is an arithmetic number, because the mean of its divisors is an integer number (64828832992).

Almost surely, 2^440004440444 is an apocalyptic number.

It is an amenable number.

440004440444 is a deficient number, since it is larger than the sum of its proper divisors (337941555460).

440004440444 is a wasteful number, since it uses less digits than its factorization.

440004440444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134032164 (or 1134032162 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 440004440444 its reverse (444044400044), we get a palindrome (884048840488).

The spelling of 440004440444 in words is "four hundred forty billion, four million, four hundred forty thousand, four hundred forty-four".