18250180940544 has 720 divisors, whose sum is σ = 59977656144000. Its totient is φ = 4912482484224.

The previous prime is 18250180940543. The next prime is 18250180940549. The reversal of 18250180940544 is 44504908105281.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18250180940543) by changing a digit.

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, 6761829307 + ... + 6761832005.

It is an arithmetic number, because the mean of its divisors is an integer number (83302300200).

Almost surely, 2^{18250180940544} is an apocalyptic number.

18250180940544 is a gapful number since it is divisible by the number (14) 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 18250180940544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29988828072000).

18250180940544 is an abundant number, since it is smaller than the sum of its proper divisors (41727475203456).

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

18250180940544 is an equidigital number, since it uses as much as digits as its factorization.

18250180940544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958 (or 2923 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 51.

The spelling of 18250180940544 in words is "eighteen trillion, two hundred fifty billion, one hundred eighty million, nine hundred forty thousand, five hundred forty-four".