40136856817763 has 4 divisors (see below), whose sum is σ = 40138353315888. Its totient is φ = 40135360319640.

The previous prime is 40136856817751. The next prime is 40136856817777. The reversal of 40136856817763 is 36771865863104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40136856817763 is a prime.

It is a super-2 number, since 2×40136856817763² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40136856817763.

It is not an unprimeable number, because it can be changed into a prime (40136856817663) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 748208831 + ... + 748262472.

It is an arithmetic number, because the mean of its divisors is an integer number (10034588328972).

Almost surely, 2^{40136856817763} is an apocalyptic number.

40136856817763 is a deficient number, since it is larger than the sum of its proper divisors (1496498125).

40136856817763 is a wasteful number, since it uses less digits than its factorization.

40136856817763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496498124.

The product of its (nonzero) digits is 121927680, while the sum is 65.

The spelling of 40136856817763 in words is "forty trillion, one hundred thirty-six billion, eight hundred fifty-six million, eight hundred seventeen thousand, seven hundred sixty-three".