328566144 has 32 divisors (see below), whose sum is σ = 872754840. Its totient is φ = 109521920.

The previous prime is 328566131. The next prime is 328566149. The reversal of 328566144 is 441665823.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328566149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427437 + ... + 428204.

Almost surely, 2^328566144 is an apocalyptic number.

It is an amenable number.

328566144 is an abundant number, since it is smaller than the sum of its proper divisors (544188696).

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

328566144 is an equidigital number, since it uses as much as digits as its factorization.

328566144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855658 (or 855646 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 328566144 is about 18126.3935740125. The cubic root of 328566144 is about 690.0400060820.

It can be divided in two parts, 32856 and 6144, that multiplied together give a square (201867264 = 14208²).

The spelling of 328566144 in words is "three hundred twenty-eight million, five hundred sixty-six thousand, one hundred forty-four".