14640256 has 16 divisors (see below), whose sum is σ = 29166390. Its totient is φ = 7320064.

The previous prime is 14640251. The next prime is 14640257. The reversal of 14640256 is 65204641.

It can be written as a sum of positive squares in only one way, i.e., 14561856 + 78400 = 3816^2 + 280^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (14640251) 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 as a sum of consecutive naturals, namely, 57061 + ... + 57316.

Almost surely, 2^14640256 is an apocalyptic number.

14640256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

14640256 is a deficient number, since it is larger than the sum of its proper divisors (14526134).

14640256 is an equidigital number, since it uses as much as digits as its factorization.

14640256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114391 (or 114379 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 14640256 is about 3826.2587471315. The cubic root of 14640256 is about 244.6336660377.

Adding to 14640256 its reverse (65204641), we get a palindrome (79844897).

The spelling of 14640256 in words is "fourteen million, six hundred forty thousand, two hundred fifty-six".