184540000000 has 144 divisors (see below), whose sum is σ = 460497649248. Its totient is φ = 73808000000.

The previous prime is 184539999983. The next prime is 184540000009. The reversal of 184540000000 is 45481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (184540000009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19995387 + ... + 20004613.

It is an arithmetic number, because the mean of its divisors is an integer number (3197900342).

Almost surely, 2^184540000000 is an apocalyptic number.

184540000000 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 184540000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230248824624).

184540000000 is an abundant number, since it is smaller than the sum of its proper divisors (275957649248).

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

184540000000 is an frugal number, since it uses more digits than its factorization.

184540000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9278 (or 9234 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 184540000000 its reverse (45481), we get a palindrome (184540045481).

The spelling of 184540000000 in words is "one hundred eighty-four billion, five hundred forty million", and thus it is an aban number.