320433211041340 has 48 divisors (see below), whose sum is σ = 698047773252480. Its totient is φ = 123464231953920.

The previous prime is 320433211041287. The next prime is 320433211041343. The reversal of 320433211041340 is 43140112334023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320433211041343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2473177047 + ... + 2473306606.

It is an arithmetic number, because the mean of its divisors is an integer number (14542661942760).

Almost surely, 2^{320433211041340} is an apocalyptic number.

It is an amenable number.

320433211041340 is an abundant number, since it is smaller than the sum of its proper divisors (377614562211140).

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

320433211041340 is a wasteful number, since it uses less digits than its factorization.

320433211041340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4946483782 (or 4946483780 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 320433211041340 its reverse (43140112334023), we get a palindrome (363573323375363).

The spelling of 320433211041340 in words is "three hundred twenty trillion, four hundred thirty-three billion, two hundred eleven million, forty-one thousand, three hundred forty".