16440832448 has 28 divisors (see below), whose sum is σ = 32648816592. Its totient is φ = 8214359040.

The previous prime is 16440832427. The next prime is 16440832483. The reversal of 16440832448 is 84423804461.

It is a super-3 number, since 3×16440832448³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16440832399 and 16440832408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6473 + ... + 181448.

It is an arithmetic number, because the mean of its divisors is an integer number (1166029164).

Almost surely, 2^16440832448 is an apocalyptic number.

It is an amenable number.

16440832448 is a deficient number, since it is larger than the sum of its proper divisors (16207984144).

16440832448 is a wasteful number, since it uses less digits than its factorization.

16440832448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189300 (or 189290 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 44.

The spelling of 16440832448 in words is "sixteen billion, four hundred forty million, eight hundred thirty-two thousand, four hundred forty-eight".