14343440 has 40 divisors (see below), whose sum is σ = 34169688. Its totient is φ = 5596160.

The previous prime is 14343437. The next prime is 14343473. The reversal of 14343440 is 4434341.

14343440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 85264 + 14258176 = 292^2 + 3776^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094 + ... + 5466.

Almost surely, 2^14343440 is an apocalyptic number.

14343440 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 14343440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17084844).

14343440 is an abundant number, since it is smaller than the sum of its proper divisors (19826248).

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

14343440 is a wasteful number, since it uses less digits than its factorization.

14343440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4427 (or 4421 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 14343440 is about 3787.2734255662. The cubic root of 14343440 is about 242.9691347047.

Adding to 14343440 its reverse (4434341), we get a palindrome (18777781).

Subtracting from 14343440 its reverse (4434341), we obtain a palindrome (9909099).

The spelling of 14343440 in words is "fourteen million, three hundred forty-three thousand, four hundred forty".