99025495920 has 240 divisors, whose sum is σ = 369344976480. Its totient is φ = 24375416832.

The previous prime is 99025495909. The next prime is 99025495927. The reversal of 99025495920 is 2959452099.

99025495920 is a `hidden beast` number, since 9 + 9 + 0 + 2 + 5 + 49 + 592 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99025495927) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 229404 + ... + 500676.

It is an arithmetic number, because the mean of its divisors is an integer number (1538937402).

Almost surely, 2^99025495920 is an apocalyptic number.

99025495920 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 99025495920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184672488240).

99025495920 is an abundant number, since it is smaller than the sum of its proper divisors (270319480560).

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

99025495920 is a wasteful number, since it uses less digits than its factorization.

99025495920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271321 (or 271296 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 54.

The spelling of 99025495920 in words is "ninety-nine billion, twenty-five million, four hundred ninety-five thousand, nine hundred twenty".