40032766687 has 2 divisors, whose sum is σ = 40032766688. Its totient is φ = 40032766686.

The previous prime is 40032766673. The next prime is 40032766703. The reversal of 40032766687 is 78666723004.

40032766687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40032766687 - 2⁷ = 40032766559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40032766687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40032766987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20016383343 + 20016383344.

It is an arithmetic number, because the mean of its divisors is an integer number (20016383344).

Almost surely, 2^40032766687 is an apocalyptic number.

40032766687 is a deficient number, since it is larger than the sum of its proper divisors (1).

40032766687 is an equidigital number, since it uses as much as digits as its factorization.

40032766687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 40032766687 in words is "forty billion, thirty-two million, seven hundred sixty-six thousand, six hundred eighty-seven".