14240340 has 48 divisors (see below), whose sum is σ = 44304960. Its totient is φ = 3797280.

The previous prime is 14240327. The next prime is 14240341. The reversal of 14240340 is 4304241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14240341) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12646 + ... + 13725.

It is an arithmetic number, because the mean of its divisors is an integer number (923020).

Almost surely, 2^14240340 is an apocalyptic number.

14240340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14240340 is an abundant number, since it is smaller than the sum of its proper divisors (30064620).

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

14240340 is a wasteful number, since it uses less digits than its factorization.

14240340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26389 (or 26381 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 14240340 is about 3773.6375024636. The cubic root of 14240340 is about 242.3855838892.

Adding to 14240340 its reverse (4304241), we get a palindrome (18544581).

The spelling of 14240340 in words is "fourteen million, two hundred forty thousand, three hundred forty".