14669440 has 32 divisors (see below), whose sum is σ = 35070660. Its totient is φ = 5867520.

The previous prime is 14669437. The next prime is 14669441. The reversal of 14669440 is 4496641.

It can be written as a sum of positive squares in 2 ways, for example, as 14561856 + 107584 = 3816^2 + 328^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 14669396 and 14669405.

It is not an unprimeable number, because it can be changed into a prime (14669441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10821 + ... + 12100.

Almost surely, 2^14669440 is an apocalyptic number.

14669440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14669440 is an abundant number, since it is smaller than the sum of its proper divisors (20401220).

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

14669440 is an equidigital number, since it uses as much as digits as its factorization.

14669440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22940 (or 22928 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 14669440 is about 3830.0704954348. The cubic root of 14669440 is about 244.7961096965.

The spelling of 14669440 in words is "fourteen million, six hundred sixty-nine thousand, four hundred forty".