16844430480 has 80 divisors (see below), whose sum is σ = 52724780160. Its totient is φ = 4448231424.

The previous prime is 16844430457. The next prime is 16844430517. The reversal of 16844430480 is 8403444861.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 315985 + ... + 365424.

It is an arithmetic number, because the mean of its divisors is an integer number (659059752).

Almost surely, 2^16844430480 is an apocalyptic number.

16844430480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16844430480 is an abundant number, since it is smaller than the sum of its proper divisors (35880349680).

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

16844430480 is a wasteful number, since it uses less digits than its factorization.

16844430480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681528 (or 681522 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The spelling of 16844430480 in words is "sixteen billion, eight hundred forty-four million, four hundred thirty thousand, four hundred eighty".