320600628572 has 48 divisors (see below), whose sum is σ = 670000880640. Its totient is φ = 131245373952.

The previous prime is 320600628563. The next prime is 320600628587. The reversal of 320600628572 is 275826006023.

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 15 ways as a sum of consecutive naturals, for example, 125804 + ... + 810572.

It is an arithmetic number, because the mean of its divisors is an integer number (13958351680).

Almost surely, 2^320600628572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320600628572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335000440320).

320600628572 is an abundant number, since it is smaller than the sum of its proper divisors (349400252068).

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

320600628572 is a wasteful number, since it uses less digits than its factorization.

320600628572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685530 (or 685528 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 320600628572 in words is "three hundred twenty billion, six hundred million, six hundred twenty-eight thousand, five hundred seventy-two".