99455881200 has 480 divisors, whose sum is σ = 354446813952. Its totient is φ = 23682048000.

The previous prime is 99455881199. The next prime is 99455881249. The reversal of 99455881200 is 218855499.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 83787007 + ... + 83788193.

Almost surely, 2^99455881200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99455881200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177223406976).

99455881200 is an abundant number, since it is smaller than the sum of its proper divisors (254990932752).

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

99455881200 is a wasteful number, since it uses less digits than its factorization.

99455881200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 51.

The spelling of 99455881200 in words is "ninety-nine billion, four hundred fifty-five million, eight hundred eighty-one thousand, two hundred".