40657611677 has 4 divisors (see below), whose sum is σ = 40669939200. Its totient is φ = 40645284156.

The previous prime is 40657611671. The next prime is 40657611721. The reversal of 40657611677 is 77611675604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40657611677 - 2¹⁶ = 40657546141 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 (40657611671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6158813 + ... + 6165410.

It is an arithmetic number, because the mean of its divisors is an integer number (10167484800).

Almost surely, 2^40657611677 is an apocalyptic number.

It is an amenable number.

40657611677 is a deficient number, since it is larger than the sum of its proper divisors (12327523).

40657611677 is a wasteful number, since it uses less digits than its factorization.

40657611677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12327522.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The spelling of 40657611677 in words is "forty billion, six hundred fifty-seven million, six hundred eleven thousand, six hundred seventy-seven".