40445170666 has 8 divisors (see below), whose sum is σ = 60935015520. Its totient is φ = 20133498828.

The previous prime is 40445170607. The next prime is 40445170673. The reversal of 40445170666 is 66607154404.

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, 44542686 + ... + 44543593.

It is an arithmetic number, because the mean of its divisors is an integer number (7616876940).

Almost surely, 2^40445170666 is an apocalyptic number.

40445170666 is a deficient number, since it is larger than the sum of its proper divisors (20489844854).

40445170666 is a wasteful number, since it uses less digits than its factorization.

40445170666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89086508.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 40445170666 in words is "forty billion, four hundred forty-five million, one hundred seventy thousand, six hundred sixty-six".