14523440 has 80 divisors (see below), whose sum is σ = 36560160. Its totient is φ = 5345280.

The previous prime is 14523413. The next prime is 14523473. The reversal of 14523440 is 4432541.

14523440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 80150 + ... + 80330.

It is an arithmetic number, because the mean of its divisors is an integer number (457002).

Almost surely, 2^14523440 is an apocalyptic number.

14523440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14523440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18280080).

14523440 is an abundant number, since it is smaller than the sum of its proper divisors (22036720).

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

14523440 is a wasteful number, since it uses less digits than its factorization.

14523440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 14523440 is about 3810.9631328576. The cubic root of 14523440 is about 243.9812759976.

Adding to 14523440 its reverse (4432541), we get a palindrome (18955981).

The spelling of 14523440 in words is "fourteen million, five hundred twenty-three thousand, four hundred forty".