14311388544 has 128 divisors (see below), whose sum is σ = 40499222400. Its totient is φ = 4464746496.

The previous prime is 14311388519. The next prime is 14311388549. The reversal of 14311388544 is 44588311341.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 14311388496 and 14311388505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14311388549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593752 + ... + 617384.

It is an arithmetic number, because the mean of its divisors is an integer number (316400175).

Almost surely, 2^14311388544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14311388544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20249611200).

14311388544 is an abundant number, since it is smaller than the sum of its proper divisors (26187833856).

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

14311388544 is a wasteful number, since it uses less digits than its factorization.

14311388544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23752 (or 23740 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

Adding to 14311388544 its reverse (44588311341), we get a palindrome (58899699885).

The spelling of 14311388544 in words is "fourteen billion, three hundred eleven million, three hundred eighty-eight thousand, five hundred forty-four".