440221432343 has 16 divisors (see below), whose sum is σ = 554281643520. Its totient is φ = 339633348000.

The previous prime is 440221432303. The next prime is 440221432363. The reversal of 440221432343 is 343234122044.

It is a cyclic number.

It is not a de Polignac number, because 440221432343 - 2¹⁶ = 440221366807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440221432303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28295003 + ... + 28310556.

It is an arithmetic number, because the mean of its divisors is an integer number (34642602720).

Almost surely, 2^440221432343 is an apocalyptic number.

440221432343 is a deficient number, since it is larger than the sum of its proper divisors (114060211177).

440221432343 is a wasteful number, since it uses less digits than its factorization.

440221432343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56605678.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 440221432343 its reverse (343234122044), we get a palindrome (783455554387).

The spelling of 440221432343 in words is "four hundred forty billion, two hundred twenty-one million, four hundred thirty-two thousand, three hundred forty-three".