8449382188 has 24 divisors (see below), whose sum is σ = 15949621520. Its totient is φ = 3893400000.

The previous prime is 8449382171. The next prime is 8449382191. The reversal of 8449382188 is 8812839448.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99063 + ... + 163438.

Almost surely, 2^8449382188 is an apocalyptic number.

It is an amenable number.

8449382188 is a deficient number, since it is larger than the sum of its proper divisors (7500239332).

8449382188 is a wasteful number, since it uses less digits than its factorization.

8449382188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263137 (or 263135 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 55.

The square root of 8449382188 is about 91920.5210385581. The cubic root of 8449382188 is about 2036.7684151711.

The spelling of 8449382188 in words is "eight billion, four hundred forty-nine million, three hundred eighty-two thousand, one hundred eighty-eight".