9998241750 has 768 divisors, whose sum is σ = 35681817600. Its totient is φ = 2057529600.

The previous prime is 9998241733. The next prime is 9998241791. The reversal of 9998241750 is 571428999.

9998241750 is a `hidden beast` number, since 99 + 98 + 2 + 417 + 50 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 232517229 + ... + 232517271.

It is an arithmetic number, because the mean of its divisors is an integer number (46460700).

Almost surely, 2^9998241750 is an apocalyptic number.

9998241750 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9998241750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17840908800).

9998241750 is an abundant number, since it is smaller than the sum of its proper divisors (25683575850).

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

9998241750 is a wasteful number, since it uses less digits than its factorization.

9998241750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The square root of 9998241750 is about 99991.2083635356. The cubic root of 9998241750 is about 2154.3084148044.

The spelling of 9998241750 in words is "nine billion, nine hundred ninety-eight million, two hundred forty-one thousand, seven hundred fifty".