40767678 has 64 divisors (see below), whose sum is σ = 107136000. Its totient is φ = 11243232.

The previous prime is 40767677. The next prime is 40767689. The reversal of 40767678 is 87676704.

40767678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40767677) 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 31 ways as a sum of consecutive naturals, for example, 9103 + ... + 12821.

It is an arithmetic number, because the mean of its divisors is an integer number (1674000).

Almost surely, 2^40767678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40767678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53568000).

40767678 is an abundant number, since it is smaller than the sum of its proper divisors (66368322).

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

40767678 is a wasteful number, since it uses less digits than its factorization.

40767678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766 (or 3760 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 40767678 is about 6384.9571650873. The cubic root of 40767678 is about 344.1691918302.

The spelling of 40767678 in words is "forty million, seven hundred sixty-seven thousand, six hundred seventy-eight".