445404666673068 has 12 divisors (see below), whose sum is σ = 1039277555570520. Its totient is φ = 148468222224352.

The previous prime is 445404666673037. The next prime is 445404666673091. The reversal of 445404666673068 is 860376666404544.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 445404666672993 and 445404666673011.

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, 18558527778033 + ... + 18558527778056.

It is an arithmetic number, because the mean of its divisors is an integer number (86606462964210).

Almost surely, 2^{445404666673068} is an apocalyptic number.

It is an amenable number.

445404666673068 is an abundant number, since it is smaller than the sum of its proper divisors (593872888897452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445404666673068 is a wasteful number, since it uses less digits than its factorization.

445404666673068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37117055556096 (or 37117055556094 counting only the distinct ones).

The product of its (nonzero) digits is 1672151040, while the sum is 69.

The spelling of 445404666673068 in words is "four hundred forty-five trillion, four hundred four billion, six hundred sixty-six million, six hundred seventy-three thousand, sixty-eight".