14305240520 has 32 divisors (see below), whose sum is σ = 32205955320. Its totient is φ = 5718689280.

The previous prime is 14305240513. The next prime is 14305240549. The reversal of 14305240520 is 2504250341.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7910679364 + 6394561156 = 88942^2 + 79966^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14305240520.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37901 + ... + 173340.

Almost surely, 2^14305240520 is an apocalyptic number.

14305240520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14305240520 is an abundant number, since it is smaller than the sum of its proper divisors (17900714800).

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

14305240520 is a wasteful number, since it uses less digits than its factorization.

14305240520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212945 (or 212941 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 14305240520 its reverse (2504250341), we get a palindrome (16809490861).

The spelling of 14305240520 in words is "fourteen billion, three hundred five million, two hundred forty thousand, five hundred twenty".