14515322140 has 72 divisors (see below), whose sum is σ = 33570161856. Its totient is φ = 5268067200.

The previous prime is 14515322119. The next prime is 14515322183. The reversal of 14515322140 is 4122351541.

14515322140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 14515322099 and 14515322108.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1303677 + ... + 1314763.

It is an arithmetic number, because the mean of its divisors is an integer number (466252248).

Almost surely, 2^14515322140 is an apocalyptic number.

14515322140 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 14515322140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16785080928).

14515322140 is an abundant number, since it is smaller than the sum of its proper divisors (19054839716).

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

14515322140 is a wasteful number, since it uses less digits than its factorization.

14515322140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11659 (or 11646 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 14515322140 its reverse (4122351541), we get a palindrome (18637673681).

The spelling of 14515322140 in words is "fourteen billion, five hundred fifteen million, three hundred twenty-two thousand, one hundred forty".