40814344035637 has 2 divisors, whose sum is σ = 40814344035638. Its totient is φ = 40814344035636.

The previous prime is 40814344035613. The next prime is 40814344035671. The reversal of 40814344035637 is 73653044341804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39305551903396 + 1508792132241 = 6269414^2 + 1228329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40814344035637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40814344035337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20407172017818 + 20407172017819.

It is an arithmetic number, because the mean of its divisors is an integer number (20407172017819).

Almost surely, 2^{40814344035637} is an apocalyptic number.

It is an amenable number.

40814344035637 is a deficient number, since it is larger than the sum of its proper divisors (1).

40814344035637 is an equidigital number, since it uses as much as digits as its factorization.

40814344035637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11612160, while the sum is 52.

The spelling of 40814344035637 in words is "forty trillion, eight hundred fourteen billion, three hundred forty-four million, thirty-five thousand, six hundred thirty-seven".