320306420844 has 72 divisors (see below), whose sum is σ = 876431033520. Its totient is φ = 101149383744.

The previous prime is 320306420827. The next prime is 320306420869. The reversal of 320306420844 is 448024603023.

320306420844 is a `hidden beast` number, since 3 + 2 + 0 + 3 + 0 + 642 + 0 + 8 + 4 + 4 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 320306420799 and 320306420808.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4068769 + ... + 4146744.

Almost surely, 2^320306420844 is an apocalyptic number.

It is an amenable number.

320306420844 is an abundant number, since it is smaller than the sum of its proper divisors (556124612676).

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

320306420844 is a wasteful number, since it uses less digits than its factorization.

320306420844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8215564 (or 8215537 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

The spelling of 320306420844 in words is "three hundred twenty billion, three hundred six million, four hundred twenty thousand, eight hundred forty-four".