320420423408 has 40 divisors (see below), whose sum is σ = 626643151200. Its totient is φ = 158706687744.

The previous prime is 320420423381. The next prime is 320420423413. The reversal of 320420423408 is 804324024023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9538610 + ... + 9572142.

It is an arithmetic number, because the mean of its divisors is an integer number (15666078780).

Almost surely, 2^320420423408 is an apocalyptic number.

It is an amenable number.

320420423408 is a deficient number, since it is larger than the sum of its proper divisors (306222727792).

320420423408 is a wasteful number, since it uses less digits than its factorization.

320420423408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39129 (or 39123 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 320420423408 in words is "three hundred twenty billion, four hundred twenty million, four hundred twenty-three thousand, four hundred eight".