14449778688 has 112 divisors (see below), whose sum is σ = 38635045920. Its totient is φ = 4803526656.

The previous prime is 14449778659. The next prime is 14449778731. The reversal of 14449778688 is 88687794441.

It is a super-2 number, since 2×14449778688² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14179843 + ... + 14180861.

Almost surely, 2^14449778688 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 14449778688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19317522960).

14449778688 is an abundant number, since it is smaller than the sum of its proper divisors (24185267232).

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

14449778688 is an equidigital number, since it uses as much as digits as its factorization.

14449778688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625 (or 1601 counting only the distinct ones).

The product of its digits is 86704128, while the sum is 66.

The spelling of 14449778688 in words is "fourteen billion, four hundred forty-nine million, seven hundred seventy-eight thousand, six hundred eighty-eight".