14515312240 has 160 divisors (see below), whose sum is σ = 40128431616. Its totient is φ = 4813255680.

The previous prime is 14515312223. The next prime is 14515312241. The reversal of 14515312240 is 4221351541.

It is a junction number, because it is equal to n+sod(n) for n = 14515312199 and 14515312208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14515312241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 941877 + ... + 957163.

Almost surely, 2^14515312240 is an apocalyptic number.

14515312240 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 14515312240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20064215808).

14515312240 is an abundant number, since it is smaller than the sum of its proper divisors (25613119376).

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

14515312240 is a wasteful number, since it uses less digits than its factorization.

14515312240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15407 (or 15401 counting only the distinct ones).

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

Adding to 14515312240 its reverse (4221351541), we get a palindrome (18736663781).

The spelling of 14515312240 in words is "fourteen billion, five hundred fifteen million, three hundred twelve thousand, two hundred forty".