40040023304 has 16 divisors (see below), whose sum is σ = 77104099500. Its totient is φ = 19478930112.

The previous prime is 40040023259. The next prime is 40040023307. The reversal of 40040023304 is 40332004004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36519974404 + 3520048900 = 191102^2 + 59330^2 .

It is not an unprimeable number, because it can be changed into a prime (40040023307) 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, 67634879 + ... + 67635470.

Almost surely, 2^40040023304 is an apocalyptic number.

It is an amenable number.

40040023304 is a deficient number, since it is larger than the sum of its proper divisors (37064076196).

40040023304 is a wasteful number, since it uses less digits than its factorization.

40040023304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135270392 (or 135270388 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 40040023304 its reverse (40332004004), we get a palindrome (80372027308).

The spelling of 40040023304 in words is "forty billion, forty million, twenty-three thousand, three hundred four".