40440025244 has 6 divisors (see below), whose sum is σ = 70770044184. Its totient is φ = 20220012620.

The previous prime is 40440025159. The next prime is 40440025247. The reversal of 40440025244 is 44252004404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40440025247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055003152 + ... + 5055003159.

It is an arithmetic number, because the mean of its divisors is an integer number (11795007364).

Almost surely, 2^40440025244 is an apocalyptic number.

It is an amenable number.

40440025244 is a deficient number, since it is larger than the sum of its proper divisors (30330018940).

40440025244 is a wasteful number, since it uses less digits than its factorization.

40440025244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110006315 (or 10110006313 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 29.

Adding to 40440025244 its reverse (44252004404), we get a palindrome (84692029648).

The spelling of 40440025244 in words is "forty billion, four hundred forty million, twenty-five thousand, two hundred forty-four".