40767476657 has 4 divisors (see below), whose sum is σ = 40978707300. Its totient is φ = 40556246016.

The previous prime is 40767476599. The next prime is 40767476689. The reversal of 40767476657 is 75667476704.

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 4910645776 + 35856830881 = 70076^2 + 189359^2 .

It is a cyclic number.

It is not a de Polignac number, because 40767476657 - 2²⁶ = 40700367793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40767476596 and 40767476605.

It is not an unprimeable number, because it can be changed into a prime (40767476557) 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, 105615032 + ... + 105615417.

It is an arithmetic number, because the mean of its divisors is an integer number (10244676825).

Almost surely, 2^40767476657 is an apocalyptic number.

It is an amenable number.

40767476657 is a deficient number, since it is larger than the sum of its proper divisors (211230643).

40767476657 is a wasteful number, since it uses less digits than its factorization.

40767476657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211230642.

The product of its (nonzero) digits is 41489280, while the sum is 59.

The spelling of 40767476657 in words is "forty billion, seven hundred sixty-seven million, four hundred seventy-six thousand, six hundred fifty-seven".