40444344243 has 24 divisors (see below), whose sum is σ = 62412168000. Its totient is φ = 25162538544.

The previous prime is 40444344229. The next prime is 40444344247. The reversal of 40444344243 is 34244344404.

40444344243 is a `hidden beast` number, since 404 + 4 + 4 + 3 + 4 + 4 + 243 = 666.

It is not a de Polignac number, because 40444344243 - 2⁸ = 40444343987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40444344198 and 40444344207.

It is not an unprimeable number, because it can be changed into a prime (40444344247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1753593 + ... + 1776506.

It is an arithmetic number, because the mean of its divisors is an integer number (2600507000).

Almost surely, 2^40444344243 is an apocalyptic number.

40444344243 is a deficient number, since it is larger than the sum of its proper divisors (21967823757).

40444344243 is a wasteful number, since it uses less digits than its factorization.

40444344243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530191 (or 3530188 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

Adding to 40444344243 its reverse (34244344404), we get a palindrome (74688688647).

The spelling of 40444344243 in words is "forty billion, four hundred forty-four million, three hundred forty-four thousand, two hundred forty-three".