320343726625050 has 192 divisors, whose sum is σ = 812585445488640. Its totient is φ = 83493128160000.

The previous prime is 320343726625049. The next prime is 320343726625057. The reversal of 320343726625050 is 50526627343023.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (320343726625057) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 9173891491 + ... + 9173926409.

It is an arithmetic number, because the mean of its divisors is an integer number (4232215861920).

Almost surely, 2^{320343726625050} is an apocalyptic number.

320343726625050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 320343726625050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406292722744320).

320343726625050 is an abundant number, since it is smaller than the sum of its proper divisors (492241718863590).

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

320343726625050 is a wasteful number, since it uses less digits than its factorization.

320343726625050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41309 (or 41304 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 48.

The spelling of 320343726625050 in words is "three hundred twenty trillion, three hundred forty-three billion, seven hundred twenty-six million, six hundred twenty-five thousand, fifty".