40866805 has 8 divisors (see below), whose sum is σ = 56045952. Its totient is φ = 28022928.

The previous prime is 40866803. The next prime is 40866811. The reversal of 40866805 is 50866804.

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

It is a cyclic number.

It is not a de Polignac number, because 40866805 - 2¹ = 40866803 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 (40866803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583777 + ... + 583846.

It is an arithmetic number, because the mean of its divisors is an integer number (7005744).

Almost surely, 2^40866805 is an apocalyptic number.

It is an amenable number.

40866805 is a deficient number, since it is larger than the sum of its proper divisors (15179147).

40866805 is a wasteful number, since it uses less digits than its factorization.

40866805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167635.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 40866805 is about 6392.7149944292. The cubic root of 40866805 is about 344.4479162752.

Subtracting 40866805 from its reverse (50866804), we obtain a palindrome (9999999).

The spelling of 40866805 in words is "forty million, eight hundred sixty-six thousand, eight hundred five".