40041665512 has 16 divisors (see below), whose sum is σ = 77107261860. Its totient is φ = 19479729024.

The previous prime is 40041665507. The next prime is 40041665527. The reversal of 40041665512 is 21556614004.

40041665512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39986401156 + 55264356 = 199966^2 + 7434^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67637653 + ... + 67638244.

Almost surely, 2^40041665512 is an apocalyptic number.

It is an amenable number.

40041665512 is a deficient number, since it is larger than the sum of its proper divisors (37065596348).

40041665512 is a wasteful number, since it uses less digits than its factorization.

40041665512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135275940 (or 135275936 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 40041665512 in words is "forty billion, forty-one million, six hundred sixty-five thousand, five hundred twelve".