40767871 has 4 divisors (see below), whose sum is σ = 41284000. Its totient is φ = 40251744.

The previous prime is 40767841. The next prime is 40767877. The reversal of 40767871 is 17876704.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40767871 - 2⁷ = 40767743 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 (40767877) 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, 257946 + ... + 258103.

It is an arithmetic number, because the mean of its divisors is an integer number (10321000).

Almost surely, 2^40767871 is an apocalyptic number.

40767871 is a deficient number, since it is larger than the sum of its proper divisors (516129).

40767871 is an equidigital number, since it uses as much as digits as its factorization.

40767871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516128.

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 40767871 is about 6384.9722787182. The cubic root of 40767871 is about 344.1697349447.

The spelling of 40767871 in words is "forty million, seven hundred sixty-seven thousand, eight hundred seventy-one".