40655411677 has 4 divisors (see below), whose sum is σ = 40674509820. Its totient is φ = 40636313536.

The previous prime is 40655411669. The next prime is 40655411681. The reversal of 40655411677 is 77611455604.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26354600281 + 14300811396 = 162341^2 + 119586^2 .

It is a cyclic number.

It is not a de Polignac number, because 40655411677 - 2³ = 40655411669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40655411647) 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, 9545878 + ... + 9550135.

It is an arithmetic number, because the mean of its divisors is an integer number (10168627455).

Almost surely, 2^40655411677 is an apocalyptic number.

It is an amenable number.

40655411677 is a deficient number, since it is larger than the sum of its proper divisors (19098143).

40655411677 is a wasteful number, since it uses less digits than its factorization.

40655411677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19098142.

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 40655411677 in words is "forty billion, six hundred fifty-five million, four hundred eleven thousand, six hundred seventy-seven".