14509040 has 80 divisors (see below), whose sum is σ = 41539008. Its totient is φ = 4589568.

The previous prime is 14509037. The next prime is 14509043. The reversal of 14509040 is 4090541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (14509037) and next prime (14509043).

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 14508997 and 14509015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14509043) 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, 6284 + ... + 8276.

Almost surely, 2^14509040 is an apocalyptic number.

14509040 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 14509040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20769504).

14509040 is an abundant number, since it is smaller than the sum of its proper divisors (27029968).

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

14509040 is a wasteful number, since it uses less digits than its factorization.

14509040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 14509040 is about 3809.0733781328. The cubic root of 14509040 is about 243.9006134693.

Adding to 14509040 its reverse (4090541), we get a palindrome (18599581).

The spelling of 14509040 in words is "fourteen million, five hundred nine thousand, forty".