18279195480000 has 4200 divisors, whose sum is σ = 88554724917120. Its totient is φ = 3639168000000.

The previous prime is 18279195479999. The next prime is 18279195480061. The reversal of 18279195480000 is 8459197281.

It is a happy number.

18279195480000 is a `hidden beast` number, since 1 + 8 + 2 + 7 + 91 + 9 + 548 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (4200).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 599 ways as a sum of consecutive naturals, for example, 72825479875 + ... + 72825480125.

Almost surely, 2^{18279195480000} is an apocalyptic number.

18279195480000 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 18279195480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44277362458560).

18279195480000 is an abundant number, since it is smaller than the sum of its proper divisors (70275529437120).

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

18279195480000 is a wasteful number, since it uses less digits than its factorization.

18279195480000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 54.

The spelling of 18279195480000 in words is "eighteen trillion, two hundred seventy-nine billion, one hundred ninety-five million, four hundred eighty thousand".