8349580420 has 12 divisors (see below), whose sum is σ = 17534118924. Its totient is φ = 3339832160.

The previous prime is 8349580417. The next prime is 8349580441. The reversal of 8349580420 is 240859438.

It can be written as a sum of positive squares in 2 ways, for example, as 2474664516 + 5874915904 = 49746^2 + 76648^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208739491 + ... + 208739530.

It is an arithmetic number, because the mean of its divisors is an integer number (1461176577).

Almost surely, 2^8349580420 is an apocalyptic number.

It is an amenable number.

8349580420 is an abundant number, since it is smaller than the sum of its proper divisors (9184538504).

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

8349580420 is a wasteful number, since it uses less digits than its factorization.

8349580420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417479030 (or 417479028 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 8349580420 is about 91376.0385440297. The cubic root of 8349580420 is about 2028.7173840203.

The spelling of 8349580420 in words is "eight billion, three hundred forty-nine million, five hundred eighty thousand, four hundred twenty".