40655405165 has 8 divisors (see below), whose sum is σ = 48810078360. Its totient is φ = 32508596032.

The previous prime is 40655405149. The next prime is 40655405171. The reversal of 40655405165 is 56150455604.

It can be written as a sum of positive squares in 4 ways, for example, as 50737129 + 40604668036 = 7123^2 + 201506^2 .

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 40655405165 - 2⁴ = 40655405149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1954634 + ... + 1975323.

It is an arithmetic number, because the mean of its divisors is an integer number (6101259795).

Almost surely, 2^40655405165 is an apocalyptic number.

It is an amenable number.

40655405165 is a deficient number, since it is larger than the sum of its proper divisors (8154673195).

40655405165 is a wasteful number, since it uses less digits than its factorization.

40655405165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932031.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 40655405165 in words is "forty billion, six hundred fifty-five million, four hundred five thousand, one hundred sixty-five".