99428188417200 has 180 divisors, whose sum is σ = 354368931406048. Its totient is φ = 25797583987200.

The previous prime is 99428188417171. The next prime is 99428188417241. The reversal of 99428188417200 is 271488182499.

99428188417200 is a `hidden beast` number, since 9 + 9 + 4 + 2 + 8 + 1 + 8 + 8 + 417 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

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, 373095736 + ... + 373362135.

Almost surely, 2^{99428188417200} is an apocalyptic number.

99428188417200 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

99428188417200 is an abundant number, since it is smaller than the sum of its proper divisors (254940742988848).

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

99428188417200 is a wasteful number, since it uses less digits than its factorization.

99428188417200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746457932 (or 746457918 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 63.

The spelling of 99428188417200 in words is "ninety-nine trillion, four hundred twenty-eight billion, one hundred eighty-eight million, four hundred seventeen thousand, two hundred".