4440011042021 has 12 divisors (see below), whose sum is σ = 4660345182528. Its totient is φ = 4228095560112.

The previous prime is 4440011042009. The next prime is 4440011042029. The reversal of 4440011042021 is 1202401100444.

It is not a de Polignac number, because 4440011042021 - 2²⁶ = 4439943933157 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 (4440011042029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34438331 + ... + 34567016.

It is an arithmetic number, because the mean of its divisors is an integer number (388362098544).

Almost surely, 2^{4440011042021} is an apocalyptic number.

It is an amenable number.

4440011042021 is a deficient number, since it is larger than the sum of its proper divisors (220334140507).

4440011042021 is an equidigital number, since it uses as much as digits as its factorization.

4440011042021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69005468 (or 69005431 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 4440011042021 its reverse (1202401100444), we get a palindrome (5642412142465).

The spelling of 4440011042021 in words is "four trillion, four hundred forty billion, eleven million, forty-two thousand, twenty-one".