444978605312 has 18 divisors (see below), whose sum is σ = 888219013458. Its totient is φ = 222489302528.

The previous prime is 444978605293. The next prime is 444978605333. The reversal of 444978605312 is 213506879444.

It can be written as a sum of positive squares in only one way, i.e., 329769953536 + 115208651776 = 574256^2 + 339424^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 869098583 + ... + 869099094.

It is a 1-persistent number, because it is pandigital, but 2⋅444978605312 = 889957210624 is not.

Almost surely, 2^444978605312 is an apocalyptic number.

It is an amenable number.

444978605312 is a deficient number, since it is larger than the sum of its proper divisors (443240408146).

444978605312 is an equidigital number, since it uses as much as digits as its factorization.

444978605312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738197693 (or 1738197679 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 444978605312 in words is "four hundred forty-four billion, nine hundred seventy-eight million, six hundred five thousand, three hundred twelve".