444504343405445 has 8 divisors (see below), whose sum is σ = 533430737656344. Its totient is φ = 355586457677824.

The previous prime is 444504343405393. The next prime is 444504343405453. The reversal of 444504343405445 is 544504343405444.

It can be written as a sum of positive squares in 4 ways, for example, as 4954710942724 + 439549632462721 = 2225918^2 + 20965439^2 .

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 444504343405445 - 2¹⁶ = 444504343339909 is a prime.

It is a super-2 number, since 2×444504343405445² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2127015884 + ... + 2127224853.

It is an arithmetic number, because the mean of its divisors is an integer number (66678842207043).

Almost surely, 2^{444504343405445} is an apocalyptic number.

It is an amenable number.

444504343405445 is a deficient number, since it is larger than the sum of its proper divisors (88926394250899).

444504343405445 is a wasteful number, since it uses less digits than its factorization.

444504343405445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254261639.

The product of its (nonzero) digits is 73728000, while the sum is 53.

Subtracting 444504343405445 from its reverse (544504343405444), we obtain a palindrome (99999999999999).

The spelling of 444504343405445 in words is "four hundred forty-four trillion, five hundred four billion, three hundred forty-three million, four hundred five thousand, four hundred forty-five".