14090240 has 68 divisors (see below), whose sum is σ = 34602744. Its totient is φ = 5505024.

The previous prime is 14090239. The next prime is 14090257. The reversal of 14090240 is 4209041.

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

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327659 + ... + 327701.

Almost surely, 2^14090240 is an apocalyptic number.

14090240 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 14090240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17301372).

14090240 is an abundant number, since it is smaller than the sum of its proper divisors (20512504).

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

14090240 is an frugal number, since it uses more digits than its factorization.

14090240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 50 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 14090240 is about 3753.6968444455. The cubic root of 14090240 is about 241.5309540572.

Adding to 14090240 its reverse (4209041), we get a palindrome (18299281).

The spelling of 14090240 in words is "fourteen million, ninety thousand, two hundred forty".