20040444322401 has 32 divisors (see below), whose sum is σ = 27386705111040. Its totient is φ = 13028264835264.

The previous prime is 20040444322361. The next prime is 20040444322411. The reversal of 20040444322401 is 10422344404002.

It is not a de Polignac number, because 20040444322401 - 2⁷ = 20040444322273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20040444322411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 415778635 + ... + 415826831.

It is an arithmetic number, because the mean of its divisors is an integer number (855834534720).

Almost surely, 2^{20040444322401} is an apocalyptic number.

It is an amenable number.

20040444322401 is a deficient number, since it is larger than the sum of its proper divisors (7346260788639).

20040444322401 is a wasteful number, since it uses less digits than its factorization.

20040444322401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53445.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 20040444322401 its reverse (10422344404002), we get a palindrome (30462788726403).

The spelling of 20040444322401 in words is "twenty trillion, forty billion, four hundred forty-four million, three hundred twenty-two thousand, four hundred one".