40136616631 has 8 divisors (see below), whose sum is σ = 40172917824. Its totient is φ = 40100336640.

The previous prime is 40136616623. The next prime is 40136616643. The reversal of 40136616631 is 13661663104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40136616631 - 2³ = 40136616623 is a prime.

It is a super-2 number, since 2×40136616631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40136616131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8586711 + ... + 8591383.

It is an arithmetic number, because the mean of its divisors is an integer number (5021614728).

Almost surely, 2^40136616631 is an apocalyptic number.

40136616631 is a deficient number, since it is larger than the sum of its proper divisors (36301193).

40136616631 is a wasteful number, since it uses less digits than its factorization.

40136616631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10601.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 40136616631 in words is "forty billion, one hundred thirty-six million, six hundred sixteen thousand, six hundred thirty-one".