14029971720 has 128 divisors (see below), whose sum is σ = 42466222080. Its totient is φ = 3708000000.

The previous prime is 14029971719. The next prime is 14029971731. The reversal of 14029971720 is 2717992041.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13607605 + ... + 13608635.

It is an arithmetic number, because the mean of its divisors is an integer number (331767360).

Almost surely, 2^14029971720 is an apocalyptic number.

14029971720 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 14029971720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21233111040).

14029971720 is an abundant number, since it is smaller than the sum of its proper divisors (28436250360).

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

14029971720 is a wasteful number, since it uses less digits than its factorization.

14029971720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The spelling of 14029971720 in words is "fourteen billion, twenty-nine million, nine hundred seventy-one thousand, seven hundred twenty".