16444462408 has 128 divisors (see below), whose sum is σ = 34847884800. Its totient is φ = 7272545280.

The previous prime is 16444462393. The next prime is 16444462417. The reversal of 16444462408 is 80426444461.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95054610 + ... + 95054782.

It is an arithmetic number, because the mean of its divisors is an integer number (272249100).

Almost surely, 2^16444462408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16444462408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17423942400).

16444462408 is an abundant number, since it is smaller than the sum of its proper divisors (18403422392).

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

16444462408 is a wasteful number, since it uses less digits than its factorization.

16444462408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 43.

The spelling of 16444462408 in words is "sixteen billion, four hundred forty-four million, four hundred sixty-two thousand, four hundred eight".