445241566466 has 8 divisors (see below), whose sum is σ = 667877444364. Its totient is φ = 222615751680.

The previous prime is 445241566459. The next prime is 445241566481. The reversal of 445241566466 is 664665142544.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 377161798225 + 68079768241 = 614135^2 + 260921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2404175 + ... + 2582738.

Almost surely, 2^445241566466 is an apocalyptic number.

445241566466 is a deficient number, since it is larger than the sum of its proper divisors (222635877898).

445241566466 is a wasteful number, since it uses less digits than its factorization.

445241566466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5031556.

The product of its digits is 16588800, while the sum is 53.

The spelling of 445241566466 in words is "four hundred forty-five billion, two hundred forty-one million, five hundred sixty-six thousand, four hundred sixty-six".