14487440 has 80 divisors (see below), whose sum is σ = 37336896. Its totient is φ = 5184000.

The previous prime is 14487437. The next prime is 14487457. The reversal of 14487440 is 4478441.

14487440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 14487397 and 14487406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88799 + ... + 88961.

Almost surely, 2^14487440 is an apocalyptic number.

14487440 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 14487440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18668448).

14487440 is an abundant number, since it is smaller than the sum of its proper divisors (22849456).

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

14487440 is a wasteful number, since it uses less digits than its factorization.

14487440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 14487440 is about 3806.2369868415. The cubic root of 14487440 is about 243.7795195456.

It can be divided in two parts, 1448 and 7440, that added together give a palindrome (8888).

The spelling of 14487440 in words is "fourteen million, four hundred eighty-seven thousand, four hundred forty".