40040036768 has 24 divisors (see below), whose sum is σ = 78836079168. Its totient is φ = 20018175424.

The previous prime is 40040036761. The next prime is 40040036779. The reversal of 40040036768 is 86763004004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40040036761) 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, 337055 + ... + 440097.

It is an arithmetic number, because the mean of its divisors is an integer number (3284836632).

Almost surely, 2^40040036768 is an apocalyptic number.

It is an amenable number.

40040036768 is a deficient number, since it is larger than the sum of its proper divisors (38796042400).

40040036768 is a wasteful number, since it uses less digits than its factorization.

40040036768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115196 (or 115188 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 40040036768 in words is "forty billion, forty million, thirty-six thousand, seven hundred sixty-eight".