4440403221000 has 128 divisors (see below), whose sum is σ = 13854800044800. Its totient is φ = 1184044108800.

The previous prime is 4440403220993. The next prime is 4440403221013. The reversal of 4440403221000 is 1223040444.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 90284416 + ... + 90333584.

It is an arithmetic number, because the mean of its divisors is an integer number (108240625350).

Almost surely, 2^{4440403221000} is an apocalyptic number.

4440403221000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4440403221000 is an abundant number, since it is smaller than the sum of its proper divisors (9414396823800).

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

4440403221000 is a wasteful number, since it uses less digits than its factorization.

4440403221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79296 (or 79282 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 4440403221000 its reverse (1223040444), we get a palindrome (4441626261444).

The spelling of 4440403221000 in words is "four trillion, four hundred forty billion, four hundred three million, two hundred twenty-one thousand".