445136824818568 has 16 divisors (see below), whose sum is σ = 844009429081500. Its totient is φ = 220067643730176.

The previous prime is 445136824818503. The next prime is 445136824818611. The reversal of 445136824818568 is 865818428631544.

It can be written as a sum of positive squares in 2 ways, for example, as 409549849326244 + 35586975492324 = 20237338^2 + 5965482^2 .

It is a super-2 number, since 2×445136824818568² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 445136824818568.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312596084133 + ... + 312596085556.

Almost surely, 2^{445136824818568} is an apocalyptic number.

It is an amenable number.

445136824818568 is a deficient number, since it is larger than the sum of its proper divisors (398872604262932).

445136824818568 is a wasteful number, since it uses less digits than its factorization.

445136824818568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625192169784 (or 625192169780 counting only the distinct ones).

The product of its digits is 1415577600, while the sum is 73.

The spelling of 445136824818568 in words is "four hundred forty-five trillion, one hundred thirty-six billion, eight hundred twenty-four million, eight hundred eighteen thousand, five hundred sixty-eight".