8192144388 has 48 divisors (see below), whose sum is σ = 19414988096. Its totient is φ = 2688007680.

The previous prime is 8192144381. The next prime is 8192144473. The reversal of 8192144388 is 8834412918.

It is a happy number.

It is a super-2 number, since 2×8192144388² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8192144381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449208 + ... + 467088.

Almost surely, 2^8192144388 is an apocalyptic number.

It is an amenable number.

8192144388 is an abundant number, since it is smaller than the sum of its proper divisors (11222843708).

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

8192144388 is a wasteful number, since it uses less digits than its factorization.

8192144388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18484 (or 18482 counting only the distinct ones).

The product of its digits is 442368, while the sum is 48.

The square root of 8192144388 is about 90510.4656269097. The cubic root of 8192144388 is about 2015.8855233482.

The spelling of 8192144388 in words is "eight billion, one hundred ninety-two million, one hundred forty-four thousand, three hundred eighty-eight".