14499440 has 20 divisors (see below), whose sum is σ = 33711384. Its totient is φ = 5799744.

The previous prime is 14499439. The next prime is 14499481. The reversal of 14499440 is 4499441.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 14499440.

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, 90542 + ... + 90701.

Almost surely, 2^14499440 is an apocalyptic number.

14499440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14499440 is an abundant number, since it is smaller than the sum of its proper divisors (19211944).

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

14499440 is a wasteful number, since it uses less digits than its factorization.

14499440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181256 (or 181250 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 14499440 is about 3807.8130206196. The cubic root of 14499440 is about 243.8468087955.

Subtracting from 14499440 its reverse (4499441), we obtain a palindrome (9999999).

The spelling of 14499440 in words is "fourteen million, four hundred ninety-nine thousand, four hundred forty".