320346028906 has 8 divisors (see below), whose sum is σ = 480632950080. Its totient is φ = 160135045548.

The previous prime is 320346028883. The next prime is 320346028927. The reversal of 320346028906 is 609820643023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18973906 + ... + 18990781.

It is an arithmetic number, because the mean of its divisors is an integer number (60079118760).

Almost surely, 2^320346028906 is an apocalyptic number.

320346028906 is a deficient number, since it is larger than the sum of its proper divisors (160286921174).

320346028906 is a wasteful number, since it uses less digits than its factorization.

320346028906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37968908.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 320346028906 in words is "three hundred twenty billion, three hundred forty-six million, twenty-eight thousand, nine hundred six".