14231717920 has 96 divisors (see below), whose sum is σ = 38952240768. Its totient is φ = 4812576768.

The previous prime is 14231717879. The next prime is 14231717921. The reversal of 14231717920 is 2971713241.

It is a self number, because there is not a number n which added to its sum of digits gives 14231717920.

It is not an unprimeable number, because it can be changed into a prime (14231717921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5274 + ... + 168793.

It is an arithmetic number, because the mean of its divisors is an integer number (405752508).

Almost surely, 2^14231717920 is an apocalyptic number.

14231717920 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 14231717920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19476120384).

14231717920 is an abundant number, since it is smaller than the sum of its proper divisors (24720522848).

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

14231717920 is a wasteful number, since it uses less digits than its factorization.

14231717920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174162 (or 174154 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 14231717920 in words is "fourteen billion, two hundred thirty-one million, seven hundred seventeen thousand, nine hundred twenty".