14430135520 has 96 divisors (see below), whose sum is σ = 36017654400. Its totient is φ = 5454360576.

The previous prime is 14430135479. The next prime is 14430135553. The reversal of 14430135520 is 2553103441.

It is a super-2 number, since 2×14430135520² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184996 + ... + 251164.

It is an arithmetic number, because the mean of its divisors is an integer number (375183900).

Almost surely, 2^14430135520 is an apocalyptic number.

14430135520 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 14430135520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18008827200).

14430135520 is an abundant number, since it is smaller than the sum of its proper divisors (21587518880).

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

14430135520 is a wasteful number, since it uses less digits than its factorization.

14430135520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66260 (or 66252 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 14430135520 its reverse (2553103441), we get a palindrome (16983238961).

The spelling of 14430135520 in words is "fourteen billion, four hundred thirty million, one hundred thirty-five thousand, five hundred twenty".