40136877636065 has 16 divisors (see below), whose sum is σ = 55105549732992. Its totient is φ = 27492085891584.

The previous prime is 40136877636047. The next prime is 40136877636071. The reversal of 40136877636065 is 56063677863104.

It is a cyclic number.

It is not a de Polignac number, because 40136877636065 - 2⁸ = 40136877635809 is a prime.

It is a super-2 number, since 2×40136877636065² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40136877635989 and 40136877636007.

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 15 ways as a sum of consecutive naturals, for example, 632144624 + ... + 632208113.

It is an arithmetic number, because the mean of its divisors is an integer number (3444096858312).

Almost surely, 2^{40136877636065} is an apocalyptic number.

It is an amenable number.

40136877636065 is a deficient number, since it is larger than the sum of its proper divisors (14968672096927).

40136877636065 is a wasteful number, since it uses less digits than its factorization.

40136877636065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264353656.

The product of its (nonzero) digits is 91445760, while the sum is 62.

The spelling of 40136877636065 in words is "forty trillion, one hundred thirty-six billion, eight hundred seventy-seven million, six hundred thirty-six thousand, sixty-five".