4404440440 has 16 divisors (see below), whose sum is σ = 9909991080. Its totient is φ = 1761776160.

The previous prime is 4404440363. The next prime is 4404440449. The reversal of 4404440440 is 440444044.

It is a junction number, because it is equal to n+sod(n) for n = 4404440399 and 4404440408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4404440449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55055466 + ... + 55055545.

Almost surely, 2^4404440440 is an apocalyptic number.

4404440440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4404440440 is an abundant number, since it is smaller than the sum of its proper divisors (5505550640).

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

4404440440 is a wasteful number, since it uses less digits than its factorization.

4404440440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110111022 (or 110111018 counting only the distinct ones).

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

The square root of 4404440440 is about 66365.9584425630. The cubic root of 4404440440 is about 1639.1935902569.

Adding to 4404440440 its reverse (440444044), we get a palindrome (4844884484).

The spelling of 4404440440 in words is "four billion, four hundred four million, four hundred forty thousand, four hundred forty".