8439423392448 has 168 divisors, whose sum is σ = 25761086814528. Its totient is φ = 2632357306368.

The previous prime is 8439423392383. The next prime is 8439423392453. The reversal of 8439423392448 is 8442933249348.

8439423392448 is a `hidden beast` number, since 8 + 4 + 39 + 42 + 33 + 92 + 448 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 796936 + ... + 4184967.

Almost surely, 2^{8439423392448} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8439423392448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12880543407264).

8439423392448 is an abundant number, since it is smaller than the sum of its proper divisors (17321663422080).

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

8439423392448 is a wasteful number, since it uses less digits than its factorization.

8439423392448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982111 (or 4982098 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 63.

The spelling of 8439423392448 in words is "eight trillion, four hundred thirty-nine billion, four hundred twenty-three million, three hundred ninety-two thousand, four hundred forty-eight".