4400044000 has 144 divisors (see below), whose sum is σ = 11884371408. Its totient is φ = 1599840000.

The previous prime is 4400043971. The next prime is 4400044013. The reversal of 4400044000 is 4400044.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 479455 + ... + 488545.

It is an arithmetic number, because the mean of its divisors is an integer number (82530357).

Almost surely, 2^4400044000 is an apocalyptic number.

4400044000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4400044000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5942185704).

4400044000 is an abundant number, since it is smaller than the sum of its proper divisors (7484327408).

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

4400044000 is a wasteful number, since it uses less digits than its factorization.

4400044000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9138 (or 9109 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4400044000 is about 66332.8274687579. The cubic root of 4400044000 is about 1638.6480033249.

Adding to 4400044000 its reverse (4400044), we get a palindrome (4404444044).

4400044000 divided by its reverse (4400044) gives a cube (1000 = 10³).

The spelling of 4400044000 in words is "four billion, four hundred million, forty-four thousand".