40031070844 has 12 divisors (see below), whose sum is σ = 70776584704. Its totient is φ = 19809189504.

The previous prime is 40031070811. The next prime is 40031070847. The reversal of 40031070844 is 44807013004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40031070847) 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, 51586044 + ... + 51586819.

Almost surely, 2^40031070844 is an apocalyptic number.

It is an amenable number.

40031070844 is a deficient number, since it is larger than the sum of its proper divisors (30745513860).

40031070844 is a wasteful number, since it uses less digits than its factorization.

40031070844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103172964 (or 103172962 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 40031070844 its reverse (44807013004), we get a palindrome (84838083848).

The spelling of 40031070844 in words is "forty billion, thirty-one million, seventy thousand, eight hundred forty-four".