444482728728 has 32 divisors (see below), whose sum is σ = 1113055787760. Its totient is φ = 147914380800.

The previous prime is 444482728721. The next prime is 444482728741. The reversal of 444482728728 is 827827284444.

It is a super-2 number, since 2×444482728728² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444482728721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15393325 + ... + 15422172.

Almost surely, 2^444482728728 is an apocalyptic number.

It is an amenable number.

444482728728 is an abundant number, since it is smaller than the sum of its proper divisors (668573059032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444482728728 is a wasteful number, since it uses less digits than its factorization.

444482728728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30816107 (or 30816103 counting only the distinct ones).

The product of its digits is 51380224, while the sum is 60.

The spelling of 444482728728 in words is "four hundred forty-four billion, four hundred eighty-two million, seven hundred twenty-eight thousand, seven hundred twenty-eight".