4440040240 has 80 divisors (see below), whose sum is σ = 10449331200. Its totient is φ = 1754438400.

The previous prime is 4440040217. The next prime is 4440040301. The reversal of 4440040240 is 420400444.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2402997 + ... + 2404843.

It is an arithmetic number, because the mean of its divisors is an integer number (130616640).

Almost surely, 2^4440040240 is an apocalyptic number.

4440040240 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 4440040240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5224665600).

4440040240 is an abundant number, since it is smaller than the sum of its proper divisors (6009290960).

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

4440040240 is a wasteful number, since it uses less digits than its factorization.

4440040240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210 (or 2204 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 4440040240 is about 66633.6269461598. The cubic root of 4440040240 is about 1643.5981182899.

Adding to 4440040240 its reverse (420400444), we get a palindrome (4860440684).

The spelling of 4440040240 in words is "four billion, four hundred forty million, forty thousand, two hundred forty".