444860666 has 8 divisors (see below), whose sum is σ = 667394400. Its totient is φ = 222395868.

The previous prime is 444860629. The next prime is 444860681. The reversal of 444860666 is 666068444.

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

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, 4265 + ... + 30131.

It is an arithmetic number, because the mean of its divisors is an integer number (83424300).

Almost surely, 2^444860666 is an apocalyptic number.

444860666 is a deficient number, since it is larger than the sum of its proper divisors (222533734).

444860666 is a wasteful number, since it uses less digits than its factorization.

444860666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34468.

The product of its (nonzero) digits is 663552, while the sum is 44.

The square root of 444860666 is about 21091.7203186464. The cubic root of 444860666 is about 763.3809814124.

The spelling of 444860666 in words is "four hundred forty-four million, eight hundred sixty thousand, six hundred sixty-six".