4044440320 has 72 divisors (see below), whose sum is σ = 10197638640. Its totient is φ = 1532620800.

The previous prime is 4044440297. The next prime is 4044440321. The reversal of 4044440320 is 230444404.

It is not an unprimeable number, because it can be changed into a prime (4044440321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58831 + ... + 107470.

It is an arithmetic number, because the mean of its divisors is an integer number (141633870).

Almost surely, 2^4044440320 is an apocalyptic number.

4044440320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4044440320 is an abundant number, since it is smaller than the sum of its proper divisors (6153198320).

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

4044440320 is a wasteful number, since it uses less digits than its factorization.

4044440320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166341 (or 166327 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 4044440320 is about 63595.9143341772. The cubic root of 4044440320 is about 1593.2581319098.

Adding to 4044440320 its reverse (230444404), we get a palindrome (4274884724).

The spelling of 4044440320 in words is "four billion, forty-four million, four hundred forty thousand, three hundred twenty".