14311452440 has 64 divisors (see below), whose sum is σ = 33511060800. Its totient is φ = 5494010368.

The previous prime is 14311452439. The next prime is 14311452443. The reversal of 14311452440 is 4425411341.

14311452440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14311452443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156782 + ... + 230658.

It is an arithmetic number, because the mean of its divisors is an integer number (523610325).

Almost surely, 2^14311452440 is an apocalyptic number.

14311452440 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 14311452440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16755530400).

14311452440 is an abundant number, since it is smaller than the sum of its proper divisors (19199608360).

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

14311452440 is a wasteful number, since it uses less digits than its factorization.

14311452440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74084 (or 74080 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 14311452440 its reverse (4425411341), we get a palindrome (18736863781).

The spelling of 14311452440 in words is "fourteen billion, three hundred eleven million, four hundred fifty-two thousand, four hundred forty".