320133225450 has 192 divisors, whose sum is σ = 826665840000. Its totient is φ = 81923788800.

The previous prime is 320133225403. The next prime is 320133225463. The reversal of 320133225450 is 54522331023.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 224025336 + ... + 224026764.

It is an arithmetic number, because the mean of its divisors is an integer number (4305551250).

Almost surely, 2^320133225450 is an apocalyptic number.

320133225450 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 320133225450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413332920000).

320133225450 is an abundant number, since it is smaller than the sum of its proper divisors (506532614550).

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

320133225450 is a wasteful number, since it uses less digits than its factorization.

320133225450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057 (or 2052 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 320133225450 its reverse (54522331023), we get a palindrome (374655556473).

The spelling of 320133225450 in words is "three hundred twenty billion, one hundred thirty-three million, two hundred twenty-five thousand, four hundred fifty".