320404132401441 has 16 divisors (see below), whose sum is σ = 466049658590208. Its totient is φ = 194181287589200.

The previous prime is 320404132401407. The next prime is 320404132401443. The reversal of 320404132401441 is 144104231404023.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 320404132401441 - 2⁶ = 320404132401377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (320404132401443) 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, 73732725 + ... + 77957186.

It is an arithmetic number, because the mean of its divisors is an integer number (29128103661888).

Almost surely, 2^{320404132401441} is an apocalyptic number.

It is an amenable number.

320404132401441 is a deficient number, since it is larger than the sum of its proper divisors (145645526188767).

320404132401441 is a wasteful number, since it uses less digits than its factorization.

320404132401441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151753932.

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

Adding to 320404132401441 its reverse (144104231404023), we get a palindrome (464508363805464).

The spelling of 320404132401441 in words is "three hundred twenty trillion, four hundred four billion, one hundred thirty-two million, four hundred one thousand, four hundred forty-one".