18200452032 has 224 divisors, whose sum is σ = 64368883200. Its totient is φ = 4926375936.

The previous prime is 18200452019. The next prime is 18200452063. The reversal of 18200452032 is 23025400281.

18200452032 is a `hidden beast` number, since 1 + 8 + 200 + 452 + 0 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 18200451987 and 18200452005.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 190228 + ... + 269420.

Almost surely, 2^18200452032 is an apocalyptic number.

18200452032 is a gapful number since it is divisible by the number (12) 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 18200452032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32184441600).

18200452032 is an abundant number, since it is smaller than the sum of its proper divisors (46168431168).

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

18200452032 is a wasteful number, since it uses less digits than its factorization.

18200452032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79240 (or 79224 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 18200452032 in words is "eighteen billion, two hundred million, four hundred fifty-two thousand, thirty-two".