18300453300 has 108 divisors (see below), whose sum is σ = 57425618796. Its totient is φ = 4874688000.

The previous prime is 18300453289. The next prime is 18300453313. The reversal of 18300453300 is 335400381.

It is a happy number.

18300453300 is a `hidden beast` number, since 1 + 8 + 300 + 4 + 53 + 300 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 747913104 + 17552540196 = 27348^2 + 132486^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 832450 + ... + 854150.

Almost surely, 2^18300453300 is an apocalyptic number.

18300453300 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 18300453300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28712809398).

18300453300 is an abundant number, since it is smaller than the sum of its proper divisors (39125165496).

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

18300453300 is a wasteful number, since it uses less digits than its factorization.

18300453300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22658 (or 22648 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 18300453300 its reverse (335400381), we get a palindrome (18635853681).

The spelling of 18300453300 in words is "eighteen billion, three hundred million, four hundred fifty-three thousand, three hundred".