444420024445 has 8 divisors (see below), whose sum is σ = 533311065144. Its totient is φ = 355531329024.

The previous prime is 444420024427. The next prime is 444420024449. The reversal of 444420024445 is 544420024444.

It can be written as a sum of positive squares in 4 ways, for example, as 5754891321 + 438665133124 = 75861^2 + 662318^2 .

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 444420024445 - 2¹⁵ = 444419991677 is a prime.

It is a super-3 number, since 3×444420024445³ (a number of 36 digits) contains 333 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 (444420024449) 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, 138304 + ... + 952873.

It is an arithmetic number, because the mean of its divisors is an integer number (66663883143).

Almost surely, 2^444420024445 is an apocalyptic number.

It is an amenable number.

444420024445 is a deficient number, since it is larger than the sum of its proper divisors (88891040699).

444420024445 is a wasteful number, since it uses less digits than its factorization.

444420024445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172639.

The product of its (nonzero) digits is 327680, while the sum is 37.

Adding to 444420024445 its reverse (544420024444), we get a palindrome (988840048889).

Subtracting 444420024445 from its reverse (544420024444), we obtain a palindrome (99999999999).

The spelling of 444420024445 in words is "four hundred forty-four billion, four hundred twenty million, twenty-four thousand, four hundred forty-five".