14111440 has 80 divisors (see below), whose sum is σ = 37997568. Its totient is φ = 4773888.

The previous prime is 14111423. The next prime is 14111441. The reversal of 14111440 is 4411141.

14111440 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 a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14111441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63169 + ... + 63391.

Almost surely, 2^14111440 is an apocalyptic number.

14111440 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 14111440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18998784).

14111440 is an abundant number, since it is smaller than the sum of its proper divisors (23886128).

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

14111440 is a wasteful number, since it uses less digits than its factorization.

14111440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 14111440 is about 3756.5196658609. The cubic root of 14111440 is about 241.6520281792.

Adding to 14111440 its reverse (4411141), we get a palindrome (18522581).

The spelling of 14111440 in words is "fourteen million, one hundred eleven thousand, four hundred forty".