40036766768 has 40 divisors (see below), whose sum is σ = 78924524400. Its totient is φ = 19671911424.

The previous prime is 40036766767. The next prime is 40036766771. The reversal of 40036766768 is 86766763004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40036766767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145868 + ... + 318356.

It is an arithmetic number, because the mean of its divisors is an integer number (1973113110).

Almost surely, 2^40036766768 is an apocalyptic number.

It is an amenable number.

40036766768 is a deficient number, since it is larger than the sum of its proper divisors (38887757632).

40036766768 is a wasteful number, since it uses less digits than its factorization.

40036766768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172749 (or 172743 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 53.

The spelling of 40036766768 in words is "forty billion, thirty-six million, seven hundred sixty-six thousand, seven hundred sixty-eight".