18147282430000 has 200 divisors, whose sum is σ = 44716148514576. Its totient is φ = 7130880000000.

The previous prime is 18147282429973. The next prime is 18147282430001. The reversal of 18147282430000 is 3428274181.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (18147282430001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 183180480 + ... + 183279520.

Almost surely, 2^{18147282430000} is an apocalyptic number.

18147282430000 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 18147282430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22358074257288).

18147282430000 is an abundant number, since it is smaller than the sum of its proper divisors (26568866084576).

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

18147282430000 is an equidigital number, since it uses as much as digits as its factorization.

18147282430000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99393 (or 99372 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 18147282430000 in words is "eighteen trillion, one hundred forty-seven billion, two hundred eighty-two million, four hundred thirty thousand".