40043404244 has 24 divisors (see below), whose sum is σ = 70346263680. Its totient is φ = 19944592416.

The previous prime is 40043404231. The next prime is 40043404279. The reversal of 40043404244 is 44240434004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1374194 + ... + 1403030.

It is an arithmetic number, because the mean of its divisors is an integer number (2931094320).

Almost surely, 2^40043404244 is an apocalyptic number.

It is an amenable number.

40043404244 is a deficient number, since it is larger than the sum of its proper divisors (30302859436).

40043404244 is a wasteful number, since it uses less digits than its factorization.

40043404244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30167 (or 30165 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 40043404244 its reverse (44240434004), we get a palindrome (84283838248).

The spelling of 40043404244 in words is "forty billion, forty-three million, four hundred four thousand, two hundred forty-four".