328755456 has 72 divisors (see below), whose sum is σ = 972208160. Its totient is φ = 109582848.

The previous prime is 328755451. The next prime is 328755509. The reversal of 328755456 is 654557823.

328755456 is a `hidden beast` number, since 32 + 8 + 75 + 545 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (328755451) 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, 16870 + ... + 30693.

Almost surely, 2^328755456 is an apocalyptic number.

328755456 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

328755456 is an abundant number, since it is smaller than the sum of its proper divisors (643452704).

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

328755456 is an equidigital number, since it uses as much as digits as its factorization.

328755456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47588 (or 47568 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 328755456 is about 18131.6148205283. The cubic root of 328755456 is about 690.1725088519.

The spelling of 328755456 in words is "three hundred twenty-eight million, seven hundred fifty-five thousand, four hundred fifty-six".