4001320432241 has 16 divisors (see below), whose sum is σ = 4518023832000. Its totient is φ = 3510243038400.

The previous prime is 4001320432231. The next prime is 4001320432337. The reversal of 4001320432241 is 1422340231004.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4001320432241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4001320432241.

It is not an unprimeable number, because it can be changed into a prime (4001320432231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2776391 + ... + 3963708.

It is an arithmetic number, because the mean of its divisors is an integer number (282376489500).

Almost surely, 2^{4001320432241} is an apocalyptic number.

It is an amenable number.

4001320432241 is a deficient number, since it is larger than the sum of its proper divisors (516703399759).

4001320432241 is a wasteful number, since it uses less digits than its factorization.

4001320432241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6742000.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 4001320432241 its reverse (1422340231004), we get a palindrome (5423660663245).

The spelling of 4001320432241 in words is "four trillion, one billion, three hundred twenty million, four hundred thirty-two thousand, two hundred forty-one".