440442231400243 has 8 divisors (see below), whose sum is σ = 463631798967120. Its totient is φ = 417253503582720.

The previous prime is 440442231400231. The next prime is 440442231400279. The reversal of 440442231400243 is 342004132244044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-440442231400243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440442231400543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208860598 + ... + 210958843.

It is an arithmetic number, because the mean of its divisors is an integer number (57953974870890).

Almost surely, 2^{440442231400243} is an apocalyptic number.

440442231400243 is a deficient number, since it is larger than the sum of its proper divisors (23189567566877).

440442231400243 is a wasteful number, since it uses less digits than its factorization.

440442231400243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419874677.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 440442231400243 its reverse (342004132244044), we get a palindrome (782446363644287).

The spelling of 440442231400243 in words is "four hundred forty trillion, four hundred forty-two billion, two hundred thirty-one million, four hundred thousand, two hundred forty-three".