40811167811338 has 16 divisors (see below), whose sum is σ = 62064388804680. Its totient is φ = 20123119754496.

The previous prime is 40811167811299. The next prime is 40811167811387. The reversal of 40811167811338 is 83311876111804.

It can be written as a sum of positive squares in 4 ways, for example, as 21985661298769 + 18825506512569 = 4688887^2 + 4338837^2 .

It is a super-2 number, since 2×40811167811338² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19381593 + ... + 21383836.

Almost surely, 2^{40811167811338} is an apocalyptic number.

40811167811338 is a deficient number, since it is larger than the sum of its proper divisors (21253220993342).

40811167811338 is a wasteful number, since it uses less digits than its factorization.

40811167811338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40772361.

The product of its (nonzero) digits is 774144, while the sum is 52.

The spelling of 40811167811338 in words is "forty trillion, eight hundred eleven billion, one hundred sixty-seven million, eight hundred eleven thousand, three hundred thirty-eight".