321041043344 has 40 divisors (see below), whose sum is σ = 722925366720. Its totient is φ = 135256998528.

The previous prime is 321041043341. The next prime is 321041043353. The reversal of 321041043344 is 443340140123.

It is a happy number.

It is a super-2 number, since 2×321041043344² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321041043341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24285239 + ... + 24298454.

It is an arithmetic number, because the mean of its divisors is an integer number (18073134168).

Almost surely, 2^321041043344 is an apocalyptic number.

It is an amenable number.

321041043344 is an abundant number, since it is smaller than the sum of its proper divisors (401884323376).

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

321041043344 is a wasteful number, since it uses less digits than its factorization.

321041043344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48583767 (or 48583761 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 321041043344 its reverse (443340140123), we get a palindrome (764381183467).

The spelling of 321041043344 in words is "three hundred twenty-one billion, forty-one million, forty-three thousand, three hundred forty-four".