320231750075650 has 144 divisors (see below), whose sum is σ = 703055457910080. Its totient is φ = 106298142912000.

The previous prime is 320231750075641. The next prime is 320231750075651. The reversal of 320231750075650 is 56570057132023.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 320231750075650.

It is not an unprimeable number, because it can be changed into a prime (320231750075651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 74996416 + ... + 79151284.

It is an arithmetic number, because the mean of its divisors is an integer number (4882329568820).

Almost surely, 2^{320231750075650} is an apocalyptic number.

320231750075650 is an abundant number, since it is smaller than the sum of its proper divisors (382823707834430).

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

320231750075650 is a wasteful number, since it uses less digits than its factorization.

320231750075650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155101 (or 4155055 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 46.

The spelling of 320231750075650 in words is "three hundred twenty trillion, two hundred thirty-one billion, seven hundred fifty million, seventy-five thousand, six hundred fifty".