40566995 has 32 divisors (see below), whose sum is σ = 59719680. Its totient is φ = 25833600.

The previous prime is 40566973. The next prime is 40567019. The reversal of 40566995 is 59966504.

It is not a de Polignac number, because 40566995 - 2¹⁰ = 40565971 is a prime.

It is a zygodrome in base 3.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34670 + ... + 35820.

It is an arithmetic number, because the mean of its divisors is an integer number (1866240).

Almost surely, 2^40566995 is an apocalyptic number.

40566995 is a deficient number, since it is larger than the sum of its proper divisors (19152685).

40566995 is a wasteful number, since it uses less digits than its factorization.

40566995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235.

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 40566995 is about 6369.2224800206. Note that the first 3 decimals coincide. The cubic root of 40566995 is about 343.6035267972.

The spelling of 40566995 in words is "forty million, five hundred sixty-six thousand, nine hundred ninety-five".