9798450742080 has 3584 divisors, whose sum is σ = 47887897559040. Its totient is φ = 1843546521600.

The previous prime is 9798450742001. The next prime is 9798450742097. The reversal of 9798450742080 is 802470548979.

9798450742080 is a `hidden beast` number, since 9 + 7 + 9 + 8 + 4 + 507 + 42 + 0 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 9798450741999 and 9798450742017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 49738328542 + ... + 49738328738.

It is an arithmetic number, because the mean of its divisors is an integer number (13361578560).

Almost surely, 2^{9798450742080} is an apocalyptic number.

9798450742080 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 9798450742080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23943948779520).

9798450742080 is an abundant number, since it is smaller than the sum of its proper divisors (38089446816960).

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

9798450742080 is a wasteful number, since it uses less digits than its factorization.

9798450742080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 9798450742080 in words is "nine trillion, seven hundred ninety-eight billion, four hundred fifty million, seven hundred forty-two thousand, eighty".