14487040 has 40 divisors (see below), whose sum is σ = 34741080. Its totient is φ = 5793792.

The previous prime is 14487019. The next prime is 14487041. The reversal of 14487040 is 4078441.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14487041) 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, 270 + ... + 5389.

It is an arithmetic number, because the mean of its divisors is an integer number (868527).

Almost surely, 2^14487040 is an apocalyptic number.

14487040 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 14487040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17370540).

14487040 is an abundant number, since it is smaller than the sum of its proper divisors (20254040).

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

14487040 is an frugal number, since it uses more digits than its factorization.

14487040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5682 (or 5666 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 14487040 is about 3806.1844411431. The cubic root of 14487040 is about 243.7772759308. Note that the first 3 decimals are identical.

The spelling of 14487040 in words is "fourteen million, four hundred eighty-seven thousand, forty".