44402440243 has 4 divisors (see below), whose sum is σ = 50745646000. Its totient is φ = 38059234488.

The previous prime is 44402440207. The next prime is 44402440307. The reversal of 44402440243 is 34204420444.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44402440243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44402440343) 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, 3171602868 + ... + 3171602881.

It is an arithmetic number, because the mean of its divisors is an integer number (12686411500).

Almost surely, 2^44402440243 is an apocalyptic number.

44402440243 is a deficient number, since it is larger than the sum of its proper divisors (6343205757).

44402440243 is an equidigital number, since it uses as much as digits as its factorization.

44402440243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6343205756.

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

Adding to 44402440243 its reverse (34204420444), we get a palindrome (78606860687).

The spelling of 44402440243 in words is "forty-four billion, four hundred two million, four hundred forty thousand, two hundred forty-three".