320675038872 has 32 divisors (see below), whose sum is σ = 801736833600. Its totient is φ = 106885114784.

The previous prime is 320675038867. The next prime is 320675038997. The reversal of 320675038872 is 278830576023.

It is a happy number.

It is a super-2 number, since 2×320675038872² (a number of 24 digits) contains 22 as substring.

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, 3138 + ... + 800849.

It is an arithmetic number, because the mean of its divisors is an integer number (25054276050).

Almost surely, 2^320675038872 is an apocalyptic number.

It is an amenable number.

320675038872 is an abundant number, since it is smaller than the sum of its proper divisors (481061794728).

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

320675038872 is a wasteful number, since it uses less digits than its factorization.

320675038872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820615 (or 820611 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 320675038872 in words is "three hundred twenty billion, six hundred seventy-five million, thirty-eight thousand, eight hundred seventy-two".