40036766771 has 2 divisors, whose sum is σ = 40036766772. Its totient is φ = 40036766770.

The previous prime is 40036766767. The next prime is 40036766813. The reversal of 40036766771 is 17766763004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40036766771 - 2² = 40036766767 is a prime.

It is not a weakly prime, because it can be changed into another prime (40036766741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20018383385 + 20018383386.

It is an arithmetic number, because the mean of its divisors is an integer number (20018383386).

Almost surely, 2^40036766771 is an apocalyptic number.

40036766771 is a deficient number, since it is larger than the sum of its proper divisors (1).

40036766771 is an equidigital number, since it uses as much as digits as its factorization.

40036766771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 889056, while the sum is 47.

The spelling of 40036766771 in words is "forty billion, thirty-six million, seven hundred sixty-six thousand, seven hundred seventy-one".