40444244 has 6 divisors (see below), whose sum is σ = 70777434. Its totient is φ = 20222120.

The previous prime is 40444237. The next prime is 40444267. The reversal of 40444244 is 44244404.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 32947600 + 7496644 = 5740^2 + 2738^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055527 + ... + 5055534.

It is an arithmetic number, because the mean of its divisors is an integer number (11796239).

Almost surely, 2^40444244 is an apocalyptic number.

It is an amenable number.

40444244 is a deficient number, since it is larger than the sum of its proper divisors (30333190).

40444244 is a wasteful number, since it uses less digits than its factorization.

40444244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10111065 (or 10111063 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 40444244 is about 6359.5789168781. The cubic root of 40444244 is about 343.2566085717.

Adding to 40444244 its reverse (44244404), we get a palindrome (84688648).

The spelling of 40444244 in words is "forty million, four hundred forty-four thousand, two hundred forty-four".