8355280320 has 168 divisors, whose sum is σ = 28795315536. Its totient is φ = 2223685632.

The previous prime is 8355280313. The next prime is 8355280321. The reversal of 8355280320 is 230825538.

8355280320 is a `hidden beast` number, since 8 + 3 + 55 + 280 + 320 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8355280321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1618864 + ... + 1624016.

Almost surely, 2^8355280320 is an apocalyptic number.

8355280320 is a gapful number since it is divisible by the number (80) 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 8355280320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14397657768).

8355280320 is an abundant number, since it is smaller than the sum of its proper divisors (20440035216).

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

8355280320 is a wasteful number, since it uses less digits than its factorization.

8355280320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5739 (or 5726 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 8355280320 is about 91407.2224717500. Note that the first 3 decimals coincide. The cubic root of 8355280320 is about 2029.1789184262.

The spelling of 8355280320 in words is "eight billion, three hundred fifty-five million, two hundred eighty thousand, three hundred twenty".