14388722920 has 128 divisors (see below), whose sum is σ = 38096231040. Its totient is φ = 4821949440.

The previous prime is 14388722893. The next prime is 14388722921. The reversal of 14388722920 is 2922788341.

It is not an unprimeable number, because it can be changed into a prime (14388722921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4328379 + ... + 4331701.

It is an arithmetic number, because the mean of its divisors is an integer number (297626805).

Almost surely, 2^14388722920 is an apocalyptic number.

14388722920 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 14388722920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19048115520).

14388722920 is an abundant number, since it is smaller than the sum of its proper divisors (23707508120).

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

14388722920 is a wasteful number, since it uses less digits than its factorization.

14388722920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115 (or 4111 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 14388722920 in words is "fourteen billion, three hundred eighty-eight million, seven hundred twenty-two thousand, nine hundred twenty".