16446256044 has 48 divisors (see below), whose sum is σ = 38513035008. Its totient is φ = 5462348608.

The previous prime is 16446256031. The next prime is 16446256049. The reversal of 16446256044 is 44065264461.

It is a junction number, because it is equal to n+sod(n) for n = 16446255987 and 16446256005.

It is not an unprimeable number, because it can be changed into a prime (16446256049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4322647 + ... + 4326449.

It is an arithmetic number, because the mean of its divisors is an integer number (802354896).

Almost surely, 2^16446256044 is an apocalyptic number.

It is an amenable number.

16446256044 is an abundant number, since it is smaller than the sum of its proper divisors (22066778964).

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

16446256044 is a wasteful number, since it uses less digits than its factorization.

16446256044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014 (or 5012 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 16446256044 in words is "sixteen billion, four hundred forty-six million, two hundred fifty-six thousand, forty-four".