40043010043144 has 32 divisors (see below), whose sum is σ = 79757323272000. Its totient is φ = 18793725613632.

The previous prime is 40043010043133. The next prime is 40043010043219. The reversal of 40043010043144 is 44134001034004.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208427724 + ... + 1208460859.

It is an arithmetic number, because the mean of its divisors is an integer number (2492416352250).

Almost surely, 2^{40043010043144} is an apocalyptic number.

It is an amenable number.

40043010043144 is a deficient number, since it is larger than the sum of its proper divisors (39714313228856).

40043010043144 is a wasteful number, since it uses less digits than its factorization.

40043010043144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416888717 (or 2416888713 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 40043010043144 its reverse (44134001034004), we get a palindrome (84177011077148).

The spelling of 40043010043144 in words is "forty trillion, forty-three billion, ten million, forty-three thousand, one hundred forty-four".