14143444520 has 16 divisors (see below), whose sum is σ = 31822750260. Its totient is φ = 5657377792.

The previous prime is 14143444519. The next prime is 14143444543. The reversal of 14143444520 is 2544434141.

It can be written as a sum of positive squares in 2 ways, for example, as 12021368164 + 2122076356 = 109642^2 + 46066^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176793017 + ... + 176793096.

Almost surely, 2^14143444520 is an apocalyptic number.

14143444520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14143444520 is an abundant number, since it is smaller than the sum of its proper divisors (17679305740).

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

14143444520 is a wasteful number, since it uses less digits than its factorization.

14143444520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353586124 (or 353586120 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 14143444520 its reverse (2544434141), we get a palindrome (16687878661).

The spelling of 14143444520 in words is "fourteen billion, one hundred forty-three million, four hundred forty-four thousand, five hundred twenty".