9216305280 has 512 divisors, whose sum is σ = 40180492800. Its totient is φ = 1944207360.

The previous prime is 9216305279. The next prime is 9216305303. The reversal of 9216305280 is 825036129.

9216305280 is a `hidden beast` number, since 92 + 16 + 30 + 528 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1569550 + ... + 1575410.

It is an arithmetic number, because the mean of its divisors is an integer number (78477525).

Almost surely, 2^9216305280 is an apocalyptic number.

9216305280 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 9216305280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20090246400).

9216305280 is an abundant number, since it is smaller than the sum of its proper divisors (30964187520).

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

9216305280 is a wasteful number, since it uses less digits than its factorization.

9216305280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5909 (or 5891 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 9216305280 is about 96001.5899868330. The cubic root of 9216305280 is about 2096.6162649938.

The spelling of 9216305280 in words is "nine billion, two hundred sixteen million, three hundred five thousand, two hundred eighty".