14216240 has 40 divisors (see below), whose sum is σ = 33466608. Its totient is φ = 5615360.

The previous prime is 14216221. The next prime is 14216263. The reversal of 14216240 is 4261241.

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

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5570 + ... + 7710.

Almost surely, 2^14216240 is an apocalyptic number.

14216240 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 14216240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16733304).

14216240 is an abundant number, since it is smaller than the sum of its proper divisors (19250368).

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

14216240 is a wasteful number, since it uses less digits than its factorization.

14216240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237 (or 2231 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 14216240 is about 3770.4429448010. The cubic root of 14216240 is about 242.2487708870.

Adding to 14216240 its reverse (4261241), we get a palindrome (18477481).

The spelling of 14216240 in words is "fourteen million, two hundred sixteen thousand, two hundred forty".