321440411242 has 16 divisors (see below), whose sum is σ = 513828893952. Its totient is φ = 150461468080.

The previous prime is 321440411233. The next prime is 321440411267. The reversal of 321440411242 is 242114044123.

It is a self number, because there is not a number n which added to its sum of digits gives 321440411242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74336509 + ... + 74340832.

It is an arithmetic number, because the mean of its divisors is an integer number (32114305872).

Almost surely, 2^321440411242 is an apocalyptic number.

321440411242 is a deficient number, since it is larger than the sum of its proper divisors (192388482710).

321440411242 is a wasteful number, since it uses less digits than its factorization.

321440411242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148677413.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 321440411242 its reverse (242114044123), we get a palindrome (563554455365).

The spelling of 321440411242 in words is "three hundred twenty-one billion, four hundred forty million, four hundred eleven thousand, two hundred forty-two".