14240331440 has 80 divisors (see below), whose sum is σ = 33587136000. Its totient is φ = 5614093056.

The previous prime is 14240331433. The next prime is 14240331463. The reversal of 14240331440 is 4413304241.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4314911 + ... + 4318209.

It is an arithmetic number, because the mean of its divisors is an integer number (419839200).

Almost surely, 2^14240331440 is an apocalyptic number.

14240331440 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 14240331440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16793568000).

14240331440 is an abundant number, since it is smaller than the sum of its proper divisors (19346804560).

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

14240331440 is a wasteful number, since it uses less digits than its factorization.

14240331440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074 (or 4068 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 14240331440 its reverse (4413304241), we get a palindrome (18653635681).

The spelling of 14240331440 in words is "fourteen billion, two hundred forty million, three hundred thirty-one thousand, four hundred forty".