328450940569 has 8 divisors (see below), whose sum is σ = 333347172480. Its totient is φ = 323565435936.

The previous prime is 328450940563. The next prime is 328450940603. The reversal of 328450940569 is 965049054823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 328450940569 - 2¹¹ = 328450938521 is a prime.

It is a super-2 number, since 2×328450940569² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328450940563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2620117 + ... + 2742610.

It is an arithmetic number, because the mean of its divisors is an integer number (41668396560).

Almost surely, 2^328450940569 is an apocalyptic number.

It is an amenable number.

328450940569 is a deficient number, since it is larger than the sum of its proper divisors (4896231911).

328450940569 is an equidigital number, since it uses as much as digits as its factorization.

328450940569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5363639.

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 328450940569 in words is "three hundred twenty-eight billion, four hundred fifty million, nine hundred forty thousand, five hundred sixty-nine".