440221120043 has 4 divisors (see below), whose sum is σ = 441787743528. Its totient is φ = 438654496560.

The previous prime is 440221119971. The next prime is 440221120061. The reversal of 440221120043 is 340021122044.

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 440221120043 - 2²⁶ = 440154011179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440221120543) 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 3 ways as a sum of consecutive naturals, for example, 783311321 + ... + 783311882.

It is an arithmetic number, because the mean of its divisors is an integer number (110446935882).

Almost surely, 2^440221120043 is an apocalyptic number.

440221120043 is a deficient number, since it is larger than the sum of its proper divisors (1566623485).

440221120043 is a wasteful number, since it uses less digits than its factorization.

440221120043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566623484.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 440221120043 its reverse (340021122044), we get a palindrome (780242242087).

The spelling of 440221120043 in words is "four hundred forty billion, two hundred twenty-one million, one hundred twenty thousand, forty-three".