40336422769 has 2 divisors, whose sum is σ = 40336422770. Its totient is φ = 40336422768.

The previous prime is 40336422727. The next prime is 40336422781. The reversal of 40336422769 is 96722463304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23814662400 + 16521760369 = 154320^2 + 128537^2 .

It is a cyclic number.

It is not a de Polignac number, because 40336422769 - 2¹⁹ = 40335898481 is a prime.

It is a super-2 number, since 2×40336422769² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40336422169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20168211384 + 20168211385.

It is an arithmetic number, because the mean of its divisors is an integer number (20168211385).

Almost surely, 2^40336422769 is an apocalyptic number.

It is an amenable number.

40336422769 is a deficient number, since it is larger than the sum of its proper divisors (1).

40336422769 is an equidigital number, since it uses as much as digits as its factorization.

40336422769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 46.

The spelling of 40336422769 in words is "forty billion, three hundred thirty-six million, four hundred twenty-two thousand, seven hundred sixty-nine".