99195444720 has 800 divisors, whose sum is σ = 389292583680. Its totient is φ = 23260815360.

The previous prime is 99195444709. The next prime is 99195444847. The reversal of 99195444720 is 2744459199.

99195444720 is a `hidden beast` number, since 9 + 9 + 195 + 4 + 447 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 159 ways as a sum of consecutive naturals, for example, 173722035 + ... + 173722605.

Almost surely, 2^99195444720 is an apocalyptic number.

99195444720 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 99195444720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194646291840).

99195444720 is an abundant number, since it is smaller than the sum of its proper divisors (290097138960).

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

99195444720 is a wasteful number, since it uses less digits than its factorization.

99195444720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 99195444720 in words is "ninety-nine billion, one hundred ninety-five million, four hundred forty-four thousand, seven hundred twenty".