444447646028 has 48 divisors (see below), whose sum is σ = 797128249344. Its totient is φ = 216781064640.

The previous prime is 444447646007. The next prime is 444447646037. The reversal of 444447646028 is 820646744444.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8871626 + ... + 8921582.

It is an arithmetic number, because the mean of its divisors is an integer number (16606838528).

Almost surely, 2^444447646028 is an apocalyptic number.

It is an amenable number.

444447646028 is a deficient number, since it is larger than the sum of its proper divisors (352680603316).

444447646028 is a wasteful number, since it uses less digits than its factorization.

444447646028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50382 (or 50380 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 53.

The spelling of 444447646028 in words is "four hundred forty-four billion, four hundred forty-seven million, six hundred forty-six thousand, twenty-eight".