328260127920 has 40 divisors (see below), whose sum is σ = 1017606397296. Its totient is φ = 87536034048.

The previous prime is 328260127901. The next prime is 328260127931. The reversal of 328260127920 is 29721062823.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 683875027 + ... + 683875506.

Almost surely, 2^328260127920 is an apocalyptic number.

328260127920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

328260127920 is an abundant number, since it is smaller than the sum of its proper divisors (689346269376).

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

328260127920 is a wasteful number, since it uses less digits than its factorization.

328260127920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367750549 (or 1367750543 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 328260127920 in words is "three hundred twenty-eight billion, two hundred sixty million, one hundred twenty-seven thousand, nine hundred twenty".