328454742366 has 64 divisors (see below), whose sum is σ = 773265346560. Its totient is φ = 102987204480.

The previous prime is 328454742271. The next prime is 328454742419. The reversal of 328454742366 is 663247454823.

328454742366 is a `hidden beast` number, since 3 + 28 + 4 + 547 + 42 + 36 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1563715 + ... + 1761281.

It is an arithmetic number, because the mean of its divisors is an integer number (12082271040).

Almost surely, 2^328454742366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328454742366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386632673280).

328454742366 is an abundant number, since it is smaller than the sum of its proper divisors (444810604194).

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

328454742366 is a wasteful number, since it uses less digits than its factorization.

328454742366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199406 (or 199400 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 54.

The spelling of 328454742366 in words is "three hundred twenty-eight billion, four hundred fifty-four million, seven hundred forty-two thousand, three hundred sixty-six".