320838710915952 has 120 divisors (see below), whose sum is σ = 928877525868240. Its totient is φ = 103257037255680.

The previous prime is 320838710915927. The next prime is 320838710915959. The reversal of 320838710915952 is 259519017838023.

320838710915952 is a `hidden beast` number, since 3 + 2 + 0 + 8 + 38 + 7 + 1 + 0 + 9 + 1 + 595 + 2 = 666.

It is a super-3 number, since 3×320838710915952³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320838710915952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320838710915959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333545452 + ... + 334505972.

It is an arithmetic number, because the mean of its divisors is an integer number (7740646048902).

Almost surely, 2^{320838710915952} is an apocalyptic number.

It is an amenable number.

320838710915952 is an abundant number, since it is smaller than the sum of its proper divisors (608038814952288).

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

320838710915952 is a wasteful number, since it uses less digits than its factorization.

320838710915952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040551 (or 1040542 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 320838710915952 in words is "three hundred twenty trillion, eight hundred thirty-eight billion, seven hundred ten million, nine hundred fifteen thousand, nine hundred fifty-two".