14189440 has 32 divisors (see below), whose sum is σ = 33923160. Its totient is φ = 5675520.

The previous prime is 14189429. The next prime is 14189443. The reversal of 14189440 is 4498141.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14189443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10446 + ... + 11725.

Almost surely, 2^14189440 is an apocalyptic number.

14189440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14189440 is an abundant number, since it is smaller than the sum of its proper divisors (19733720).

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

14189440 is an equidigital number, since it uses as much as digits as its factorization.

14189440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22190 (or 22178 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 14189440 is about 3766.8873091719. The cubic root of 14189440 is about 242.0964485896.

The spelling of 14189440 in words is "fourteen million, one hundred eighty-nine thousand, four hundred forty".