439993546368 has 256 divisors, whose sum is σ = 1248178896000. Its totient is φ = 137310953472.

The previous prime is 439993546367. The next prime is 439993546373. The reversal of 439993546368 is 863645399934.

It is not an unprimeable number, because it can be changed into a prime (439993546367) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 234412246 + ... + 234414122.

Almost surely, 2^439993546368 is an apocalyptic number.

439993546368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 439993546368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624089448000).

439993546368 is an abundant number, since it is smaller than the sum of its proper divisors (808185349632).

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

439993546368 is an equidigital number, since it uses as much as digits as its factorization.

439993546368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040 (or 1990 counting only the distinct ones).

The product of its digits is 453496320, while the sum is 69.

The spelling of 439993546368 in words is "four hundred thirty-nine billion, nine hundred ninety-three million, five hundred forty-six thousand, three hundred sixty-eight".