321444134032 has 60 divisors (see below), whose sum is σ = 726794502636. Its totient is φ = 137321533440.

The previous prime is 321444134029. The next prime is 321444134057. The reversal of 321444134032 is 230431444123.

It can be written as a sum of positive squares in 2 ways, for example, as 47052551056 + 274391582976 = 216916^2 + 523824^2 .

It is a junction number, because it is equal to n+sod(n) for n = 321444133985 and 321444134003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 409569 + ... + 900352.

Almost surely, 2^321444134032 is an apocalyptic number.

It is an amenable number.

321444134032 is an abundant number, since it is smaller than the sum of its proper divisors (405350368604).

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

321444134032 is a wasteful number, since it uses less digits than its factorization.

321444134032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310256 (or 1310243 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 321444134032 its reverse (230431444123), we get a palindrome (551875578155).

The spelling of 321444134032 in words is "three hundred twenty-one billion, four hundred forty-four million, one hundred thirty-four thousand, thirty-two".