328740194475 has 144 divisors (see below), whose sum is σ = 759416037120. Its totient is φ = 131908089600.

The previous prime is 328740194407. The next prime is 328740194479. The reversal of 328740194475 is 574491047823.

328740194475 is a `hidden beast` number, since 3 + 2 + 87 + 4 + 0 + 1 + 94 + 475 = 666.

It is not a de Polignac number, because 328740194475 - 2⁹ = 328740193963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328740194479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 175272 + ... + 829578.

It is an arithmetic number, because the mean of its divisors is an integer number (5273722480).

Almost surely, 2^328740194475 is an apocalyptic number.

328740194475 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

328740194475 is an abundant number, since it is smaller than the sum of its proper divisors (430675842645).

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

328740194475 is a wasteful number, since it uses less digits than its factorization.

328740194475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654370 (or 654362 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 328740194475 in words is "three hundred twenty-eight billion, seven hundred forty million, one hundred ninety-four thousand, four hundred seventy-five".