445821336009 has 48 divisors (see below), whose sum is σ = 738641729280. Its totient is φ = 253827146880.

The previous prime is 445821335983. The next prime is 445821336011. The reversal of 445821336009 is 900633128544.

445821336009 is a `hidden beast` number, since 4 + 4 + 5 + 8 + 2 + 1 + 33 + 600 + 9 = 666.

It is not a de Polignac number, because 445821336009 - 2⁷ = 445821335881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445821336509) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75959127 + ... + 75964995.

It is an arithmetic number, because the mean of its divisors is an integer number (15388369360).

Almost surely, 2^445821336009 is an apocalyptic number.

It is an amenable number.

445821336009 is a deficient number, since it is larger than the sum of its proper divisors (292820393271).

445821336009 is a wasteful number, since it uses less digits than its factorization.

445821336009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10070 (or 10067 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 445821336009 in words is "four hundred forty-five billion, eight hundred twenty-one million, three hundred thirty-six thousand, nine".