18036527040000 has 800 divisors, whose sum is σ = 76246381347840. Its totient is φ = 4122620928000.

The previous prime is 18036527039977. The next prime is 18036527040041. The reversal of 18036527040000 is 4072563081.

18036527040000 is a `hidden beast` number, since 180 + 3 + 6 + 5 + 2 + 70 + 400 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (800).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 60330889 + ... + 60629111.

Almost surely, 2^{18036527040000} is an apocalyptic number.

18036527040000 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 18036527040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38123190673920).

18036527040000 is an abundant number, since it is smaller than the sum of its proper divisors (58209854307840).

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

18036527040000 is an frugal number, since it uses more digits than its factorization.

18036527040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298277 (or 298240 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 18036527040000 in words is "eighteen trillion, thirty-six billion, five hundred twenty-seven million, forty thousand".