440111221043 has 4 divisors (see below), whose sum is σ = 473965930368. Its totient is φ = 406256511720.

The previous prime is 440111221019. The next prime is 440111221049. The reversal of 440111221043 is 340122111044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 440111221043 - 2¹² = 440111216947 is a prime.

It is a super-4 number, since 4×440111221043⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440111221049) 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 3 ways as a sum of consecutive naturals, for example, 16927354643 + ... + 16927354668.

It is an arithmetic number, because the mean of its divisors is an integer number (118491482592).

Almost surely, 2^440111221043 is an apocalyptic number.

440111221043 is a deficient number, since it is larger than the sum of its proper divisors (33854709325).

440111221043 is a wasteful number, since it uses less digits than its factorization.

440111221043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33854709324.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 440111221043 its reverse (340122111044), we get a palindrome (780233332087).

The spelling of 440111221043 in words is "four hundred forty billion, one hundred eleven million, two hundred twenty-one thousand, forty-three".