14234240 has 64 divisors (see below), whose sum is σ = 35544960. Its totient is φ = 5440512.

The previous prime is 14234237. The next prime is 14234243. The reversal of 14234240 is 4243241.

It is an interprime number because it is at equal distance from previous prime (14234237) and next prime (14234243).

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×14234240² = 405227176755200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (14234243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14237 + ... + 15203.

It is an arithmetic number, because the mean of its divisors is an integer number (555390).

Almost surely, 2^14234240 is an apocalyptic number.

14234240 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 14234240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17772480).

14234240 is an abundant number, since it is smaller than the sum of its proper divisors (21310720).

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

14234240 is an equidigital number, since it uses as much as digits as its factorization.

14234240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 14234240 is about 3772.8291771561. The cubic root of 14234240 is about 242.3509694716.

Adding to 14234240 its reverse (4243241), we get a palindrome (18477481).

Subtracting from 14234240 its reverse (4243241), we obtain a palindrome (9990999).

The spelling of 14234240 in words is "fourteen million, two hundred thirty-four thousand, two hundred forty".