4440423214021 has 8 divisors (see below), whose sum is σ = 4468283285760. Its totient is φ = 4412578270128.

The previous prime is 4440423214001. The next prime is 4440423214043. The reversal of 4440423214021 is 1204123240444.

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 4440423214021 - 2⁹ = 4440423213509 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 (4440423214001) 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, 3192781 + ... + 4367458.

It is an arithmetic number, because the mean of its divisors is an integer number (558535410720).

Almost surely, 2^{4440423214021} is an apocalyptic number.

It is an amenable number.

4440423214021 is a deficient number, since it is larger than the sum of its proper divisors (27860071739).

4440423214021 is a wasteful number, since it uses less digits than its factorization.

4440423214021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7563923.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 4440423214021 its reverse (1204123240444), we get a palindrome (5644546454465).

The spelling of 4440423214021 in words is "four trillion, four hundred forty billion, four hundred twenty-three million, two hundred fourteen thousand, twenty-one".