14330640 has 120 divisors (see below), whose sum is σ = 46657728. Its totient is φ = 3637760.

The previous prime is 14330639. The next prime is 14330681. The reversal of 14330640 is 4603341.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201805 + ... + 201875.

Almost surely, 2^14330640 is an apocalyptic number.

14330640 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 14330640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23328864).

14330640 is an abundant number, since it is smaller than the sum of its proper divisors (32327088).

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

14330640 is a wasteful number, since it uses less digits than its factorization.

14330640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 14330640 is about 3785.5831783227. The cubic root of 14330640 is about 242.8968384610.

Adding to 14330640 its reverse (4603341), we get a palindrome (18933981).

The spelling of 14330640 in words is "fourteen million, three hundred thirty thousand, six hundred forty".