8408642282 has 4 divisors (see below), whose sum is σ = 12612963426. Its totient is φ = 4204321140.

The previous prime is 8408642273. The next prime is 8408642327. The reversal of 8408642282 is 2822468048.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7212935041 + 1195707241 = 84929^2 + 34579^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2102160569 + ... + 2102160572.

Almost surely, 2^8408642282 is an apocalyptic number.

8408642282 is a deficient number, since it is larger than the sum of its proper divisors (4204321144).

8408642282 is a wasteful number, since it uses less digits than its factorization.

8408642282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4204321143.

The product of its (nonzero) digits is 393216, while the sum is 44.

The square root of 8408642282 is about 91698.6492921243. The cubic root of 8408642282 is about 2033.4896162657.

The spelling of 8408642282 in words is "eight billion, four hundred eight million, six hundred forty-two thousand, two hundred eighty-two".