14402240 has 28 divisors (see below), whose sum is σ = 34296096. Its totient is φ = 5760768.

The previous prime is 14402237. The next prime is 14402249. The reversal of 14402240 is 4220441.

It is not an unprimeable number, because it can be changed into a prime (14402249) 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 3 ways as a sum of consecutive naturals, for example, 22184 + ... + 22823.

Almost surely, 2^14402240 is an apocalyptic number.

14402240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14402240 is an abundant number, since it is smaller than the sum of its proper divisors (19893856).

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

14402240 is an equidigital number, since it uses as much as digits as its factorization.

14402240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45024 (or 45014 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 14402240 is about 3795.0283266400. The cubic root of 14402240 is about 243.3006941064.

Adding to 14402240 its reverse (4220441), we get a palindrome (18622681).

The spelling of 14402240 in words is "fourteen million, four hundred two thousand, two hundred forty".