444640388716 has 12 divisors (see below), whose sum is σ = 778137069640. Its totient is φ = 222315511680.

The previous prime is 444640388693. The next prime is 444640388749. The reversal of 444640388716 is 617883046444.

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, 952506 + ... + 1340353.

Almost surely, 2^444640388716 is an apocalyptic number.

It is an amenable number.

444640388716 is a deficient number, since it is larger than the sum of its proper divisors (333496680924).

444640388716 is a wasteful number, since it uses less digits than its factorization.

444640388716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341344 (or 2341342 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 55.

The spelling of 444640388716 in words is "four hundred forty-four billion, six hundred forty million, three hundred eighty-eight thousand, seven hundred sixteen".