40000440244 has 12 divisors (see below), whose sum is σ = 70642980100. Its totient is φ = 19816731648.

The previous prime is 40000440239. The next prime is 40000440247. The reversal of 40000440244 is 44204400004.

It can be written as a sum of positive squares in 2 ways, for example, as 36095440144 + 3905000100 = 189988^2 + 62490^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000440247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45871629 + ... + 45872500.

Almost surely, 2^40000440244 is an apocalyptic number.

It is an amenable number.

40000440244 is a deficient number, since it is larger than the sum of its proper divisors (30642539856).

40000440244 is a wasteful number, since it uses less digits than its factorization.

40000440244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91744242 (or 91744240 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40000440244 its reverse (44204400004), we get a palindrome (84204840248).

The spelling of 40000440244 in words is "forty billion, four hundred forty thousand, two hundred forty-four".