445441324005 has 20 divisors (see below), whose sum is σ = 798494818572. Its totient is φ = 237568705920.

The previous prime is 445441323989. The next prime is 445441324019. The reversal of 445441324005 is 500423144544.

445441324005 is a `hidden beast` number, since 44 + 544 + 1 + 32 + 40 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 355653598689 + 89787725316 = 596367^2 + 299646^2 .

It is not a de Polignac number, because 445441324005 - 2⁴ = 445441323989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 549927156 + ... + 549927965.

Almost surely, 2^445441324005 is an apocalyptic number.

445441324005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

445441324005 is a deficient number, since it is larger than the sum of its proper divisors (353053494567).

445441324005 is a wasteful number, since it uses less digits than its factorization.

445441324005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099855138 (or 1099855129 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 445441324005 its reverse (500423144544), we get a palindrome (945864468549).

The spelling of 445441324005 in words is "four hundred forty-five billion, four hundred forty-one million, three hundred twenty-four thousand, five".