220040444443 has 16 divisors (see below), whose sum is σ = 233347797760. Its totient is φ = 207124646400.

The previous prime is 220040444431. The next prime is 220040444473. The reversal of 220040444443 is 344444040022.

It is a cyclic number.

It is not a de Polignac number, because 220040444443 - 2¹³ = 220040436251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220040444413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4020583 + ... + 4074943.

It is an arithmetic number, because the mean of its divisors is an integer number (14584237360).

Almost surely, 2^220040444443 is an apocalyptic number.

220040444443 is a deficient number, since it is larger than the sum of its proper divisors (13307353317).

220040444443 is a wasteful number, since it uses less digits than its factorization.

220040444443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57958.

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 220040444443 its reverse (344444040022), we get a palindrome (564484484465).

The spelling of 220040444443 in words is "two hundred twenty billion, forty million, four hundred forty-four thousand, four hundred forty-three".