320228840898 has 54 divisors (see below), whose sum is σ = 702726548979. Its totient is φ = 105391263912.

The previous prime is 320228840887. The next prime is 320228840963. The reversal of 320228840898 is 898048822023.

320228840898 is a `hidden beast` number, since 3 + 2 + 0 + 228 + 8 + 408 + 9 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 160114420449 + 160114420449 = 400143^2 + 400143^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=400143.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 199270411 + ... + 199272017.

Almost surely, 2^320228840898 is an apocalyptic number.

320228840898 is an abundant number, since it is smaller than the sum of its proper divisors (382497708081).

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

320228840898 is an frugal number, since it uses more digits than its factorization.

320228840898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388 (or 1695 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 54.

The spelling of 320228840898 in words is "three hundred twenty billion, two hundred twenty-eight million, eight hundred forty thousand, eight hundred ninety-eight".