18061304800 has 288 divisors, whose sum is σ = 55535445504. Its totient is φ = 5571840000.

The previous prime is 18061304797. The next prime is 18061304809. The reversal of 18061304800 is 840316081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18061304809) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6220149 + ... + 6223051.

It is an arithmetic number, because the mean of its divisors is an integer number (192831408).

Almost surely, 2^18061304800 is an apocalyptic number.

18061304800 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 18061304800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27767722752).

18061304800 is an abundant number, since it is smaller than the sum of its proper divisors (37474140704).

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

18061304800 is a wasteful number, since it uses less digits than its factorization.

18061304800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042 (or 3029 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 18061304800 in words is "eighteen billion, sixty-one million, three hundred four thousand, eight hundred".