14071440 has 40 divisors (see below), whose sum is σ = 43622208. Its totient is φ = 3752320.

The previous prime is 14071429. The next prime is 14071451. The reversal of 14071440 is 4417041.

14071440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14071429) and next prime (14071451).

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

It is a nialpdrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29076 + ... + 29555.

Almost surely, 2^14071440 is an apocalyptic number.

14071440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14071440 is an abundant number, since it is smaller than the sum of its proper divisors (29550768).

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

14071440 is a wasteful number, since it uses less digits than its factorization.

14071440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58647 (or 58641 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 14071440 is about 3751.1918106117. The cubic root of 14071440 is about 241.4234847982.

Adding to 14071440 its reverse (4417041), we get a palindrome (18488481).

The spelling of 14071440 in words is "fourteen million, seventy-one thousand, four hundred forty".