99533491200 has 2112 divisors, whose sum is σ = 460545523200. Its totient is φ = 20702822400.

The previous prime is 99533491069. The next prime is 99533491201. The reversal of 99533491200 is 219433599.

99533491200 is a `hidden beast` number, since 9 + 9 + 533 + 4 + 91 + 20 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2112).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99533491201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1877990374 + ... + 1877990426.

Almost surely, 2^99533491200 is an apocalyptic number.

99533491200 is a gapful number since it is divisible by the number (90) 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 99533491200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230272761600).

99533491200 is an abundant number, since it is smaller than the sum of its proper divisors (361012032000).

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

99533491200 is a wasteful number, since it uses less digits than its factorization.

99533491200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The spelling of 99533491200 in words is "ninety-nine billion, five hundred thirty-three million, four hundred ninety-one thousand, two hundred".