40767738 has 16 divisors (see below), whose sum is σ = 88947936. Its totient is φ = 12353840.

The previous prime is 40767731. The next prime is 40767743. The reversal of 40767738 is 83776704.

40767738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40767738.

It is not an unprimeable number, because it can be changed into a prime (40767731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308781 + ... + 308912.

It is an arithmetic number, because the mean of its divisors is an integer number (5559246).

Almost surely, 2^40767738 is an apocalyptic number.

40767738 is an abundant number, since it is smaller than the sum of its proper divisors (48180198).

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

40767738 is a wasteful number, since it uses less digits than its factorization.

40767738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617709.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 40767738 is about 6384.9618636293. The cubic root of 40767738 is about 344.1693606743.

The spelling of 40767738 in words is "forty million, seven hundred sixty-seven thousand, seven hundred thirty-eight".