4044440440 has 16 divisors (see below), whose sum is σ = 9099991080. Its totient is φ = 1617776160.

The previous prime is 4044440417. The next prime is 4044440473. The reversal of 4044440440 is 440444404.

It is a junction number, because it is equal to n+sod(n) for n = 4044440399 and 4044440408.

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, 50555466 + ... + 50555545.

Almost surely, 2^4044440440 is an apocalyptic number.

4044440440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4044440440 is an abundant number, since it is smaller than the sum of its proper divisors (5055550640).

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

4044440440 is a wasteful number, since it uses less digits than its factorization.

4044440440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101111022 (or 101111018 counting only the distinct ones).

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

The square root of 4044440440 is about 63595.9152776340. The cubic root of 4044440440 is about 1593.2581476673.

Adding to 4044440440 its reverse (440444404), we get a palindrome (4484884844).

The spelling of 4044440440 in words is "four billion, forty-four million, four hundred forty thousand, four hundred forty".