444878147648 has 56 divisors (see below), whose sum is σ = 986549415264. Its totient is φ = 197285196800.

The previous prime is 444878147543. The next prime is 444878147653. The reversal of 444878147648 is 846741878444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7677590 + ... + 7735317.

It is an arithmetic number, because the mean of its divisors is an integer number (17616953844).

Almost surely, 2^444878147648 is an apocalyptic number.

It is an amenable number.

444878147648 is an abundant number, since it is smaller than the sum of its proper divisors (541671267616).

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

444878147648 is a wasteful number, since it uses less digits than its factorization.

444878147648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15412971 (or 15412961 counting only the distinct ones).

The product of its digits is 154140672, while the sum is 65.

The spelling of 444878147648 in words is "four hundred forty-four billion, eight hundred seventy-eight million, one hundred forty-seven thousand, six hundred forty-eight".