328129458550336 has 21 divisors (see below), whose sum is σ = 651132181876161. Its totient is φ = 164064656817792.

The previous prime is 328129458550321. The next prime is 328129458550381. The reversal of 328129458550336 is 633055854921823.

The square root of 328129458550336 is 18114344.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 54883797889600 + 273245660660736 = 7408360^2 + 16530144^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 143782606 + ... + 146046898.

Almost surely, 2^{328129458550336} is an apocalyptic number.

328129458550336 is the 18114344-th square number.

It is an amenable number.

328129458550336 is a deficient number, since it is larger than the sum of its proper divisors (323002723325825).

328129458550336 is an frugal number, since it uses more digits than its factorization.

328129458550336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4528598 (or 2264295 counting only the distinct ones).

The product of its (nonzero) digits is 186624000, while the sum is 64.

328129458550336 divided by its sum of digits (64) gives a square (5127022789849 = 2264293²).

The spelling of 328129458550336 in words is "three hundred twenty-eight trillion, one hundred twenty-nine billion, four hundred fifty-eight million, five hundred fifty thousand, three hundred thirty-six".