320411143422 has 64 divisors (see below), whose sum is σ = 737115681600. Its totient is φ = 103045461120.

The previous prime is 320411143397. The next prime is 320411143427. The reversal of 320411143422 is 224341114023.

320411143422 is a `hidden beast` number, since 3 + 204 + 1 + 1 + 1 + 434 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320411143427) 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 31 ways as a sum of consecutive naturals, for example, 2088568 + ... + 2236724.

It is an arithmetic number, because the mean of its divisors is an integer number (11517432525).

Almost surely, 2^320411143422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320411143422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368557840800).

320411143422 is an abundant number, since it is smaller than the sum of its proper divisors (416704538178).

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

320411143422 is a wasteful number, since it uses less digits than its factorization.

320411143422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149578 (or 149572 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 320411143422 its reverse (224341114023), we get a palindrome (544752257445).

The spelling of 320411143422 in words is "three hundred twenty billion, four hundred eleven million, one hundred forty-three thousand, four hundred twenty-two".