6396446552832 has 810 divisors, whose sum is σ = 22714063959132. Its totient is φ = 1730828445696.

The previous prime is 6396446552831. The next prime is 6396446552833. The reversal of 6396446552832 is 2382556446936.

6396446552832 is a `hidden beast` number, since 6 + 3 + 9 + 6 + 4 + 46 + 552 + 8 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (6396446552831) and next prime (6396446552833).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 6396446552832.

It is not an unprimeable number, because it can be changed into a prime (6396446552831) by changing a digit.

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 in 89 ways as a sum of consecutive naturals, for example, 1997015743 + ... + 1997018945.

Almost surely, 2^{6396446552832} 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 6396446552832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11357031979566).

6396446552832 is an abundant number, since it is smaller than the sum of its proper divisors (16317617406300).

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

6396446552832 is an equidigital number, since it uses as much as digits as its factorization.

6396446552832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291 (or 3234 counting only the distinct ones).

The product of its digits is 223948800, while the sum is 63.

The spelling of 6396446552832 in words is "six trillion, three hundred ninety-six billion, four hundred forty-six million, five hundred fifty-two thousand, eight hundred thirty-two".