328253647445 has 32 divisors (see below), whose sum is σ = 435405155328. Its totient is φ = 236303198208.

The previous prime is 328253647433. The next prime is 328253647481. The reversal of 328253647445 is 544746352823.

It is not a de Polignac number, because 328253647445 - 2⁴ = 328253647429 is a prime.

It is a super-3 number, since 3×328253647445³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4434377 + ... + 4507793.

It is an arithmetic number, because the mean of its divisors is an integer number (13606411104).

Almost surely, 2^328253647445 is an apocalyptic number.

It is an amenable number.

328253647445 is a deficient number, since it is larger than the sum of its proper divisors (107151507883).

328253647445 is a wasteful number, since it uses less digits than its factorization.

328253647445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75749.

The product of its digits is 19353600, while the sum is 53.

The spelling of 328253647445 in words is "three hundred twenty-eight billion, two hundred fifty-three million, six hundred forty-seven thousand, four hundred forty-five".