14987128240 has 240 divisors, whose sum is σ = 41924888064. Its totient is φ = 4964198400.

The previous prime is 14987128213. The next prime is 14987128241. The reversal of 14987128240 is 4282178941.

It is a super-2 number, since 2×14987128240² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14987128241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27702370 + ... + 27702910.

Almost surely, 2^14987128240 is an apocalyptic number.

14987128240 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 14987128240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20962444032).

14987128240 is an abundant number, since it is smaller than the sum of its proper divisors (26937759824).

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

14987128240 is a wasteful number, since it uses less digits than its factorization.

14987128240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The spelling of 14987128240 in words is "fourteen billion, nine hundred eighty-seven million, one hundred twenty-eight thousand, two hundred forty".