9845358803280 has 1920 divisors, whose sum is σ = 48293642342400. Its totient is φ = 1788947804160.

The previous prime is 9845358803251. The next prime is 9845358803311. The reversal of 9845358803280 is 823088535489.

9845358803280 is a `hidden beast` number, since 9 + 8 + 45 + 3 + 588 + 0 + 3 + 2 + 8 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 451880547 + ... + 451902333.

It is an arithmetic number, because the mean of its divisors is an integer number (25152938720).

Almost surely, 2^{9845358803280} is an apocalyptic number.

9845358803280 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 9845358803280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24146821171200).

9845358803280 is an abundant number, since it is smaller than the sum of its proper divisors (38448283539120).

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

9845358803280 is a wasteful number, since it uses less digits than its factorization.

9845358803280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21870 (or 21847 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 63.

The spelling of 9845358803280 in words is "nine trillion, eight hundred forty-five billion, three hundred fifty-eight million, eight hundred three thousand, two hundred eighty".