321434444020 has 48 divisors (see below), whose sum is σ = 675852750720. Its totient is φ = 128413825664.

The previous prime is 321434443997. The next prime is 321434444021. The reversal of 321434444020 is 20444434123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321434444021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81435687 + ... + 81439633.

It is an arithmetic number, because the mean of its divisors is an integer number (14080265640).

Almost surely, 2^321434444020 is an apocalyptic number.

It is an amenable number.

321434444020 is an abundant number, since it is smaller than the sum of its proper divisors (354418306700).

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

321434444020 is a wasteful number, since it uses less digits than its factorization.

321434444020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7992 (or 7990 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 321434444020 its reverse (20444434123), we get a palindrome (341878878143).

The spelling of 321434444020 in words is "three hundred twenty-one billion, four hundred thirty-four million, four hundred forty-four thousand, twenty".