14397389520 has 80 divisors (see below), whose sum is σ = 46071670272. Its totient is φ = 3715453440.

The previous prime is 14397389497. The next prime is 14397389549. The reversal of 14397389520 is 2598379341.

14397389520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960127 + ... + 975006.

Almost surely, 2^14397389520 is an apocalyptic number.

14397389520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14397389520 is an abundant number, since it is smaller than the sum of its proper divisors (31674280752).

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

14397389520 is a wasteful number, since it uses less digits than its factorization.

14397389520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935180 (or 1935174 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 14397389520 in words is "fourteen billion, three hundred ninety-seven million, three hundred eighty-nine thousand, five hundred twenty".