4440401044021 has 16 divisors (see below), whose sum is σ = 4735434977280. Its totient is φ = 4149223303680.

The previous prime is 4440401043989. The next prime is 4440401044031. The reversal of 4440401044021 is 1204401040444.

It is not a de Polignac number, because 4440401044021 - 2⁵ = 4440401043989 is a prime.

It is a super-2 number, since 2×4440401044021² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440401044031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46261 + ... + 2980426.

It is an arithmetic number, because the mean of its divisors is an integer number (295964686080).

Almost surely, 2^{4440401044021} is an apocalyptic number.

It is an amenable number.

4440401044021 is a deficient number, since it is larger than the sum of its proper divisors (295033933259).

4440401044021 is a wasteful number, since it uses less digits than its factorization.

4440401044021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027324.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 4440401044021 its reverse (1204401040444), we get a palindrome (5644802084465).

The spelling of 4440401044021 in words is "four trillion, four hundred forty billion, four hundred one million, forty-four thousand, twenty-one".