40689577037 has 2 divisors, whose sum is σ = 40689577038. Its totient is φ = 40689577036.

The previous prime is 40689577009. The next prime is 40689577043. The reversal of 40689577037 is 73077598604.

40689577037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31110257161 + 9579319876 = 176381^2 + 97874^2 .

It is a cyclic number.

It is not a de Polignac number, because 40689577037 - 2¹⁰ = 40689576013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40689570037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20344788518 + 20344788519.

It is an arithmetic number, because the mean of its divisors is an integer number (20344788519).

Almost surely, 2^40689577037 is an apocalyptic number.

It is an amenable number.

40689577037 is a deficient number, since it is larger than the sum of its proper divisors (1).

40689577037 is an equidigital number, since it uses as much as digits as its factorization.

40689577037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 40689577037 in words is "forty billion, six hundred eighty-nine million, five hundred seventy-seven thousand, thirty-seven".