40775492237 has 2 divisors, whose sum is σ = 40775492238. Its totient is φ = 40775492236.

The previous prime is 40775492207. The next prime is 40775492281. The reversal of 40775492237 is 73229457704.

It is a happy number.

40775492237 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 can be written as a sum of positive squares in only one way, i.e., 25376171401 + 15399320836 = 159299^2 + 124094^2 .

It is a cyclic number.

It is not a de Polignac number, because 40775492237 - 2²² = 40771297933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40775492207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20387746118 + 20387746119.

It is an arithmetic number, because the mean of its divisors is an integer number (20387746119).

Almost surely, 2^40775492237 is an apocalyptic number.

It is an amenable number.

40775492237 is a deficient number, since it is larger than the sum of its proper divisors (1).

40775492237 is an equidigital number, since it uses as much as digits as its factorization.

40775492237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 40775492237 in words is "forty billion, seven hundred seventy-five million, four hundred ninety-two thousand, two hundred thirty-seven".