13851988830720 has 320 divisors, whose sum is σ = 49414649581440. Its totient is φ = 3678005919744.

The previous prime is 13851988830703. The next prime is 13851988830721. The reversal of 13851988830720 is 2703888915831.

13851988830720 is a `hidden beast` number, since 1 + 3 + 8 + 519 + 8 + 88 + 30 + 7 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (320).

It is not an unprimeable number, because it can be changed into a prime (13851988830721) 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, 15674907 + ... + 16535013.

It is an arithmetic number, because the mean of its divisors is an integer number (154420779942).

Almost surely, 2^{13851988830720} is an apocalyptic number.

13851988830720 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 13851988830720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24707324790720).

13851988830720 is an abundant number, since it is smaller than the sum of its proper divisors (35562660750720).

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

13851988830720 is an equidigital number, since it uses as much as digits as its factorization.

13851988830720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860372 (or 860350 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 63.

The spelling of 13851988830720 in words is "thirteen trillion, eight hundred fifty-one billion, nine hundred eighty-eight million, eight hundred thirty thousand, seven hundred twenty".