40767661475064 has 48 divisors (see below), whose sum is σ = 110413191002400. Its totient is φ = 13589125167744.

The previous prime is 40767661474993. The next prime is 40767661475117. The reversal of 40767661475064 is 46057416676704.

It is a happy number.

40767661475064 is a `hidden beast` number, since 4 + 0 + 7 + 6 + 7 + 6 + 614 + 7 + 5 + 0 + 6 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 40767661474992 and 40767661475010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8749812 + ... + 12573564.

It is an arithmetic number, because the mean of its divisors is an integer number (2300274812550).

Almost surely, 2^{40767661475064} is an apocalyptic number.

It is an amenable number.

40767661475064 is an abundant number, since it is smaller than the sum of its proper divisors (69645529527336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40767661475064 is a wasteful number, since it uses less digits than its factorization.

40767661475064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971844 (or 3971837 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 63.

The spelling of 40767661475064 in words is "forty trillion, seven hundred sixty-seven billion, six hundred sixty-one million, four hundred seventy-five thousand, sixty-four".