445674666 has 16 divisors (see below), whose sum is σ = 892535904. Its totient is φ = 148360464.

The previous prime is 445674637. The next prime is 445674667. The reversal of 445674666 is 666476544.

It is not an unprimeable number, because it can be changed into a prime (445674667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44520 + ... + 53603.

It is an arithmetic number, because the mean of its divisors is an integer number (55783494).

Almost surely, 2^445674666 is an apocalyptic number.

445674666 is an abundant number, since it is smaller than the sum of its proper divisors (446861238).

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

445674666 is a wasteful number, since it uses less digits than its factorization.

445674666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98885.

The product of its digits is 2903040, while the sum is 48.

The square root of 445674666 is about 21111.0081710941. The cubic root of 445674666 is about 763.8463057609.

The spelling of 445674666 in words is "four hundred forty-five million, six hundred seventy-four thousand, six hundred sixty-six".