14040840 has 96 divisors (see below), whose sum is σ = 46347840. Its totient is φ = 3400320.

The previous prime is 14040823. The next prime is 14040841. The reversal of 14040840 is 4804041.

14040840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (14040841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14037 + ... + 15003.

It is an arithmetic number, because the mean of its divisors is an integer number (482790).

Almost surely, 2^14040840 is an apocalyptic number.

14040840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14040840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23173920).

14040840 is an abundant number, since it is smaller than the sum of its proper divisors (32307000).

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

14040840 is a wasteful number, since it uses less digits than its factorization.

14040840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 14040840 is about 3747.1108870702. The cubic root of 14040840 is about 241.2483565442.

Adding to 14040840 its reverse (4804041), we get a palindrome (18844881).

The spelling of 14040840 in words is "fourteen million, forty thousand, eight hundred forty".