14260640 has 48 divisors (see below), whose sum is σ = 35471520. Its totient is φ = 5402880.

The previous prime is 14260619. The next prime is 14260643. The reversal of 14260640 is 4606241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (14260643) 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 7 ways as a sum of consecutive naturals, for example, 695 + ... + 5385.

It is an arithmetic number, because the mean of its divisors is an integer number (738990).

Almost surely, 2^14260640 is an apocalyptic number.

14260640 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 14260640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17735760).

14260640 is an abundant number, since it is smaller than the sum of its proper divisors (21210880).

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

14260640 is a wasteful number, since it uses less digits than its factorization.

14260640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725 (or 4717 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 14260640 is about 3776.3262570917. The cubic root of 14260640 is about 242.5007049967.

Adding to 14260640 its reverse (4606241), we get a palindrome (18866881).

The spelling of 14260640 in words is "fourteen million, two hundred sixty thousand, six hundred forty".