4440004310021 has 8 divisors (see below), whose sum is σ = 5074307478144. Its totient is φ = 3805705351440.

The previous prime is 4440004310017. The next prime is 4440004310033. The reversal of 4440004310021 is 1200134000444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4440004310021 - 2² = 4440004310017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440004310051) 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, 1681151 + ... + 3421443.

It is an arithmetic number, because the mean of its divisors is an integer number (634288434768).

Almost surely, 2^{4440004310021} is an apocalyptic number.

It is an amenable number.

4440004310021 is a deficient number, since it is larger than the sum of its proper divisors (634303168123).

4440004310021 is a wasteful number, since it uses less digits than its factorization.

4440004310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104771.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 4440004310021 its reverse (1200134000444), we get a palindrome (5640138310465).

The spelling of 4440004310021 in words is "four trillion, four hundred forty billion, four million, three hundred ten thousand, twenty-one".