320501052352 has 28 divisors (see below), whose sum is σ = 684916914136. Its totient is φ = 147923562240.

The previous prime is 320501052331. The next prime is 320501052353. The reversal of 320501052352 is 253250105023.

It is a self number, because there is not a number n which added to its sum of digits gives 320501052352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320501052353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192607974 + ... + 192609637.

It is an arithmetic number, because the mean of its divisors is an integer number (24461318362).

Almost surely, 2^320501052352 is an apocalyptic number.

320501052352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320501052352 is an abundant number, since it is smaller than the sum of its proper divisors (364415861784).

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

320501052352 is a wasteful number, since it uses less digits than its factorization.

320501052352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385217636 (or 385217626 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 320501052352 its reverse (253250105023), we get a palindrome (573751157375).

The spelling of 320501052352 in words is "three hundred twenty billion, five hundred one million, fifty-two thousand, three hundred fifty-two".