14807440 has 40 divisors (see below), whose sum is σ = 34604928. Its totient is φ = 5892480.

The previous prime is 14807431. The next prime is 14807447. The reversal of 14807440 is 4470841.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 14807399 and 14807408.

It is not an unprimeable number, because it can be changed into a prime (14807447) 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, 21339 + ... + 22021.

Almost surely, 2^14807440 is an apocalyptic number.

14807440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14807440 is an abundant number, since it is smaller than the sum of its proper divisors (19797488).

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

14807440 is a wasteful number, since it uses less digits than its factorization.

14807440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967 (or 961 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 14807440 is about 3848.0436587960. The cubic root of 14807440 is about 245.5613395700.

The spelling of 14807440 in words is "fourteen million, eight hundred seven thousand, four hundred forty".