4446328064 has 36 divisors (see below), whose sum is σ = 9020815860. Its totient is φ = 2186711040.

The previous prime is 4446328063. The next prime is 4446328067. The reversal of 4446328064 is 4608236444.

It can be written as a sum of positive squares in 2 ways, for example, as 236913664 + 4209414400 = 15392^2 + 64880^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4446328063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126749 + ... + 157980.

Almost surely, 2^4446328064 is an apocalyptic number.

It is an amenable number.

4446328064 is an abundant number, since it is smaller than the sum of its proper divisors (4574487796).

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

4446328064 is an equidigital number, since it uses as much as digits as its factorization.

4446328064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284806 (or 284792 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 41.

The square root of 4446328064 is about 66680.7923168284. The cubic root of 4446328064 is about 1644.3736203461.

It can be divided in two parts, 44463 and 28064, that added together give a palindrome (72527).

The spelling of 4446328064 in words is "four billion, four hundred forty-six million, three hundred twenty-eight thousand, sixty-four".