40677213656 has 8 divisors (see below), whose sum is σ = 76269775620. Its totient is φ = 20338606824.

The previous prime is 40677213623. The next prime is 40677213697. The reversal of 40677213656 is 65631277604.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 40677213656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2542325846 + ... + 2542325861.

Almost surely, 2^40677213656 is an apocalyptic number.

It is an amenable number.

40677213656 is a deficient number, since it is larger than the sum of its proper divisors (35592561964).

40677213656 is a wasteful number, since it uses less digits than its factorization.

40677213656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084651713 (or 5084651709 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 40677213656 in words is "forty billion, six hundred seventy-seven million, two hundred thirteen thousand, six hundred fifty-six".