18053452800 has 264 divisors, whose sum is σ = 66299873600. Its totient is φ = 4814069760.

The previous prime is 18053452771. The next prime is 18053452811. The reversal of 18053452800 is 825435081.

It is a happy number.

18053452800 is a `hidden beast` number, since 1 + 80 + 53 + 4 + 528 + 0 + 0 = 666.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 678141 + ... + 704259.

Almost surely, 2^18053452800 is an apocalyptic number.

18053452800 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 18053452800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33149936800).

18053452800 is an abundant number, since it is smaller than the sum of its proper divisors (48246420800).

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

18053452800 is a wasteful number, since it uses less digits than its factorization.

18053452800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26158 (or 26129 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

Adding to 18053452800 its reverse (825435081), we get a palindrome (18878887881).

The spelling of 18053452800 in words is "eighteen billion, fifty-three million, four hundred fifty-two thousand, eight hundred".