4440000000 has 320 divisors, whose sum is σ = 15185117376. Its totient is φ = 1152000000.

The previous prime is 4439999947. The next prime is 4440000013. The reversal of 4440000000 is 444.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a nialpdrome in base 10.

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 31 ways as a sum of consecutive naturals, for example, 119999982 + ... + 120000018.

Almost surely, 2^4440000000 is an apocalyptic number.

4440000000 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 4440000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7592558688).

4440000000 is an abundant number, since it is smaller than the sum of its proper divisors (10745117376).

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

4440000000 is an frugal number, since it uses more digits than its factorization.

4440000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 4440000000 is about 66633.3249958307. The cubic root of 4440000000 is about 1643.5931529754.

Adding to 4440000000 its reverse (444), we get a palindrome (4440000444).

4440000000 divided by its reverse (444) gives a 7-th power (10000000 = 10⁷).

The spelling of 4440000000 in words is "four billion, four hundred forty million", and thus it is an aban number.