321434424441440 has 48 divisors (see below), whose sum is σ = 764225699316912. Its totient is φ = 127754828557824.

The previous prime is 321434424441421. The next prime is 321434424441461. The reversal of 321434424441440 is 44144424434123.

It is a junction number, because it is equal to n+sod(n) for n = 321434424441391 and 321434424441400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6397953074 + ... + 6398003313.

It is an arithmetic number, because the mean of its divisors is an integer number (15921368735769).

Almost surely, 2^{321434424441440} is an apocalyptic number.

It is an amenable number.

321434424441440 is an abundant number, since it is smaller than the sum of its proper divisors (442791274875472).

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

321434424441440 is a wasteful number, since it uses less digits than its factorization.

321434424441440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12795956559 (or 12795956551 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 44.

Adding to 321434424441440 its reverse (44144424434123), we get a palindrome (365578848875563).

The spelling of 321434424441440 in words is "three hundred twenty-one trillion, four hundred thirty-four billion, four hundred twenty-four million, four hundred forty-one thousand, four hundred forty".