321404440213041 has 16 divisors (see below), whose sum is σ = 428738002064064. Its totient is φ = 214170262983104.

The previous prime is 321404440213019. The next prime is 321404440213057. The reversal of 321404440213041 is 140312044404123.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 321404440213041 - 2⁷ = 321404440212913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321404440212993 and 321404440213011.

It is not an unprimeable number, because it can be changed into a prime (321404440213081) 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, 123275755 + ... + 125855951.

It is an arithmetic number, because the mean of its divisors is an integer number (26796125129004).

Almost surely, 2^{321404440213041} is an apocalyptic number.

It is an amenable number.

321404440213041 is a deficient number, since it is larger than the sum of its proper divisors (107333561851023).

321404440213041 is a wasteful number, since it uses less digits than its factorization.

321404440213041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599440.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 321404440213041 its reverse (140312044404123), we get a palindrome (461716484617164).

The spelling of 321404440213041 in words is "three hundred twenty-one trillion, four hundred four billion, four hundred forty million, two hundred thirteen thousand, forty-one".