40766032837 has 2 divisors, whose sum is σ = 40766032838. Its totient is φ = 40766032836.

The previous prime is 40766032829. The next prime is 40766032871. The reversal of 40766032837 is 73823066704.

It is a Cunningham number, because it is equal to 201906²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40766032836 + 1 = 201906^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 40766032837 - 2³ = 40766032829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40766032037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20383016418 + 20383016419.

It is an arithmetic number, because the mean of its divisors is an integer number (20383016419).

Almost surely, 2^40766032837 is an apocalyptic number.

It is an amenable number.

40766032837 is a deficient number, since it is larger than the sum of its proper divisors (1).

40766032837 is an equidigital number, since it uses as much as digits as its factorization.

40766032837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 40766032837 in words is "forty billion, seven hundred sixty-six million, thirty-two thousand, eight hundred thirty-seven".