444440220717 has 16 divisors (see below), whose sum is σ = 592961990400. Its totient is φ = 296106038592.

The previous prime is 444440220691. The next prime is 444440220733. The reversal of 444440220717 is 717022044444.

It is not a de Polignac number, because 444440220717 - 2⁷ = 444440220589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444440220767) 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, 41150284 + ... + 41161082.

It is an arithmetic number, because the mean of its divisors is an integer number (37060124400).

Almost surely, 2^444440220717 is an apocalyptic number.

It is an amenable number.

444440220717 is a deficient number, since it is larger than the sum of its proper divisors (148521769683).

444440220717 is a wasteful number, since it uses less digits than its factorization.

444440220717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18212.

The product of its (nonzero) digits is 200704, while the sum is 39.

The spelling of 444440220717 in words is "four hundred forty-four billion, four hundred forty million, two hundred twenty thousand, seven hundred seventeen".