440044044444 has 30 divisors (see below), whose sum is σ = 1150362055304. Its totient is φ = 146681348040.

The previous prime is 440044044439. The next prime is 440044044449. The reversal of 440044044444 is 444440440044.

It is an interprime number because it is at equal distance from previous prime (440044044439) and next prime (440044044449).

It is a super-2 number, since 2×440044044444² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 440044044399 and 440044044408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440044044449) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 679079992 + ... + 679080639.

Almost surely, 2^440044044444 is an apocalyptic number.

It is an amenable number.

440044044444 is an abundant number, since it is smaller than the sum of its proper divisors (710318010860).

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

440044044444 is a wasteful number, since it uses less digits than its factorization.

440044044444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358160647 (or 1358160636 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 440044044444 its reverse (444440440044), we get a palindrome (884484484488).

The spelling of 440044044444 in words is "four hundred forty billion, forty-four million, forty-four thousand, four hundred forty-four".