40066071 has 8 divisors (see below), whose sum is σ = 53894640. Its totient is φ = 26474112.

The previous prime is 40066051. The next prime is 40066099. The reversal of 40066071 is 17066004.

40066071 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 40066071 - 2⁶ = 40066007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40066001) 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, 58756 + ... + 59433.

It is an arithmetic number, because the mean of its divisors is an integer number (6736830).

Almost surely, 2^40066071 is an apocalyptic number.

40066071 is a deficient number, since it is larger than the sum of its proper divisors (13828569).

40066071 is a wasteful number, since it uses less digits than its factorization.

40066071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118305.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 40066071 is about 6329.7765363400. The cubic root of 40066071 is about 342.1833854554.

The spelling of 40066071 in words is "forty million, sixty-six thousand, seventy-one".