40566514 has 4 divisors (see below), whose sum is σ = 60849774. Its totient is φ = 20283256.

The previous prime is 40566509. The next prime is 40566521. The reversal of 40566514 is 41566504.

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

It can be written as a sum of positive squares in only one way, i.e., 28890625 + 11675889 = 5375^2 + 3417^2 .

It is a super-2 number, since 2×40566514² = 3291284116224392, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10141627 + ... + 10141630.

Almost surely, 2^40566514 is an apocalyptic number.

40566514 is a deficient number, since it is larger than the sum of its proper divisors (20283260).

40566514 is a wasteful number, since it uses less digits than its factorization.

40566514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20283259.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 40566514 is about 6369.1847201977. The cubic root of 40566514 is about 343.6021687642.

The spelling of 40566514 in words is "forty million, five hundred sixty-six thousand, five hundred fourteen".