8456849280 has 256 divisors, whose sum is σ = 32674924800. Its totient is φ = 2050099200.

The previous prime is 8456849273. The next prime is 8456849329. The reversal of 8456849280 is 829486548.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167835 + ... + 212325.

It is an arithmetic number, because the mean of its divisors is an integer number (127636425).

Almost surely, 2^8456849280 is an apocalyptic number.

8456849280 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 8456849280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16337462400).

8456849280 is an abundant number, since it is smaller than the sum of its proper divisors (24218075520).

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

8456849280 is a wasteful number, since it uses less digits than its factorization.

8456849280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44530 (or 44512 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The square root of 8456849280 is about 91961.1291796703. The cubic root of 8456849280 is about 2037.3682325616.

The spelling of 8456849280 in words is "eight billion, four hundred fifty-six million, eight hundred forty-nine thousand, two hundred eighty".