14432240 has 40 divisors (see below), whose sum is σ = 33948720. Its totient is φ = 5705216.

The previous prime is 14432239. The next prime is 14432251. The reversal of 14432240 is 4223441.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6107 + ... + 8133.

It is an arithmetic number, because the mean of its divisors is an integer number (848718).

Almost surely, 2^14432240 is an apocalyptic number.

14432240 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 14432240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16974360).

14432240 is an abundant number, since it is smaller than the sum of its proper divisors (19516480).

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

14432240 is a wasteful number, since it uses less digits than its factorization.

14432240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129 (or 2123 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 14432240 is about 3798.9788101541. The cubic root of 14432240 is about 243.4695094828.

Adding to 14432240 its reverse (4223441), we get a palindrome (18655681).

The spelling of 14432240 in words is "fourteen million, four hundred thirty-two thousand, two hundred forty".