441044330100021 has 24 divisors (see below), whose sum is σ = 657971806583520. Its totient is φ = 284507622606816.

The previous prime is 441044330099963. The next prime is 441044330100083. The reversal of 441044330100021 is 120001033440144.

441044330100021 is a `hidden beast` number, since 4 + 4 + 104 + 433 + 0 + 100 + 0 + 21 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-441044330100021 is a prime.

It is a super-2 number, since 2×441044330100021² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441044330600021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5325423226 + ... + 5325506043.

It is an arithmetic number, because the mean of its divisors is an integer number (27415491940980).

Almost surely, 2^{441044330100021} is an apocalyptic number.

It is an amenable number.

441044330100021 is a deficient number, since it is larger than the sum of its proper divisors (216927476483499).

441044330100021 is a wasteful number, since it uses less digits than its factorization.

441044330100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10650929425 (or 10650929422 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 441044330100021 its reverse (120001033440144), we get a palindrome (561045363540165).

The spelling of 441044330100021 in words is "four hundred forty-one trillion, forty-four billion, three hundred thirty million, one hundred thousand, twenty-one".