40767861 has 8 divisors (see below), whose sum is σ = 54390304. Its totient is φ = 27162000.

The previous prime is 40767841. The next prime is 40767877. The reversal of 40767861 is 16876704.

40767861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40767861 - 2⁵ = 40767829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40767841) 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, 3735 + ... + 9771.

It is an arithmetic number, because the mean of its divisors is an integer number (6798788).

Almost surely, 2^40767861 is an apocalyptic number.

It is an amenable number.

40767861 is a deficient number, since it is larger than the sum of its proper divisors (13622443).

40767861 is a wasteful number, since it uses less digits than its factorization.

40767861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8291.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 40767861 is about 6384.9714956294. The cubic root of 40767861 is about 344.1697068041.

The spelling of 40767861 in words is "forty million, seven hundred sixty-seven thousand, eight hundred sixty-one".