444672667342771 has 16 divisors (see below), whose sum is σ = 525811820414400. Its totient is φ = 367941657863808.

The previous prime is 444672667342769. The next prime is 444672667342811. The reversal of 444672667342771 is 177243766276444.

It is a happy number.

It is not a de Polignac number, because 444672667342771 - 2¹ = 444672667342769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444672667342771.

It is not an unprimeable number, because it can be changed into a prime (444672667346771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187234356 + ... + 189594433.

It is an arithmetic number, because the mean of its divisors is an integer number (32863238775900).

Almost surely, 2^{444672667342771} is an apocalyptic number.

444672667342771 is a deficient number, since it is larger than the sum of its proper divisors (81139153071629).

444672667342771 is a wasteful number, since it uses less digits than its factorization.

444672667342771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376834638.

The product of its digits is 1593188352, while the sum is 70.

The spelling of 444672667342771 in words is "four hundred forty-four trillion, six hundred seventy-two billion, six hundred sixty-seven million, three hundred forty-two thousand, seven hundred seventy-one".