9012305798280 has 512 divisors, whose sum is σ = 33129547776000. Its totient is φ = 2170452049920.

The previous prime is 9012305798269. The next prime is 9012305798303. The reversal of 9012305798280 is 828975032109.

9012305798280 is a `hidden beast` number, since 9 + 0 + 12 + 30 + 579 + 8 + 28 + 0 = 666.

It is a super-2 number, since 2×9012305798280² (a number of 27 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 42514312 + ... + 42725768.

It is an arithmetic number, because the mean of its divisors is an integer number (64706148000).

Almost surely, 2^{9012305798280} is an apocalyptic number.

9012305798280 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 9012305798280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16564773888000).

9012305798280 is an abundant number, since it is smaller than the sum of its proper divisors (24117241977720).

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

9012305798280 is a wasteful number, since it uses less digits than its factorization.

9012305798280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211594 (or 211584 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 9012305798280 in words is "nine trillion, twelve billion, three hundred five million, seven hundred ninety-eight thousand, two hundred eighty".