40566041 has 8 divisors (see below), whose sum is σ = 42758280. Its totient is φ = 38426752.

The previous prime is 40566013. The next prime is 40566047. The reversal of 40566041 is 14066504.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8880400 + 31685641 = 2980^2 + 5629^2 .

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 40566041 - 2⁶ = 40565977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40566041.

It is not an unprimeable number, because it can be changed into a prime (40566047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11660 + ... + 14733.

It is an arithmetic number, because the mean of its divisors is an integer number (5344785).

Almost surely, 2^40566041 is an apocalyptic number.

It is an amenable number.

40566041 is a deficient number, since it is larger than the sum of its proper divisors (2192239).

40566041 is a wasteful number, since it uses less digits than its factorization.

40566041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26475.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 40566041 is about 6369.1475881785. The cubic root of 40566041 is about 343.6008333076.

The spelling of 40566041 in words is "forty million, five hundred sixty-six thousand, forty-one".