320432204440401 has 16 divisors (see below), whose sum is σ = 431240611765248. Its totient is φ = 211622677333200.

The previous prime is 320432204440399. The next prime is 320432204440423. The reversal of 320432204440401 is 104044402234023.

It is not a de Polignac number, because 320432204440401 - 2¹ = 320432204440399 is a prime.

It is a super-2 number, since 2×320432204440401² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320432204450401) 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, 23951316 + ... + 34850106.

It is an arithmetic number, because the mean of its divisors is an integer number (26952538235328).

Almost surely, 2^{320432204440401} is an apocalyptic number.

It is an amenable number.

320432204440401 is a deficient number, since it is larger than the sum of its proper divisors (110808407324847).

320432204440401 is a wasteful number, since it uses less digits than its factorization.

320432204440401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990492.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 320432204440401 its reverse (104044402234023), we get a palindrome (424476606674424).

The spelling of 320432204440401 in words is "three hundred twenty trillion, four hundred thirty-two billion, two hundred four million, four hundred forty thousand, four hundred one".