32320404304340 has 12 divisors (see below), whose sum is σ = 67872849039156. Its totient is φ = 12928161721728.

The previous prime is 32320404304337. The next prime is 32320404304351. The reversal of 32320404304340 is 4340340402323.

It can be written as a sum of positive squares in 2 ways, for example, as 8300956175044 + 24019448129296 = 2881138^2 + 4900964^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32320404304297 and 32320404304306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808010107589 + ... + 808010107628.

It is an arithmetic number, because the mean of its divisors is an integer number (5656070753263).

Almost surely, 2^{32320404304340} is an apocalyptic number.

It is an amenable number.

32320404304340 is an abundant number, since it is smaller than the sum of its proper divisors (35552444734816).

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

32320404304340 is a wasteful number, since it uses less digits than its factorization.

32320404304340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616020215226 (or 1616020215224 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 32320404304340 its reverse (4340340402323), we get a palindrome (36660744706663).

The spelling of 32320404304340 in words is "thirty-two trillion, three hundred twenty billion, four hundred four million, three hundred four thousand, three hundred forty".