320322328272 has 40 divisors (see below), whose sum is σ = 919443721280. Its totient is φ = 106774109280.

The previous prime is 320322328267. The next prime is 320322328307. The reversal of 320322328272 is 272823223023.

320322328272 is a `hidden beast` number, since 3 + 2 + 0 + 322 + 328 + 2 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370743004 + ... + 370743867.

It is an arithmetic number, because the mean of its divisors is an integer number (22986093032).

Almost surely, 2^320322328272 is an apocalyptic number.

It is an amenable number.

320322328272 is an abundant number, since it is smaller than the sum of its proper divisors (599121393008).

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

320322328272 is a wasteful number, since it uses less digits than its factorization.

320322328272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741486888 (or 741486876 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The spelling of 320322328272 in words is "three hundred twenty billion, three hundred twenty-two million, three hundred twenty-eight thousand, two hundred seventy-two".