40560066 has 24 divisors (see below), whose sum is σ = 90256764. Its totient is φ = 13154400.

The previous prime is 40560043. The next prime is 40560071. The reversal of 40560066 is 66006504.

40560066 is a `hidden beast` number, since 40 + 560 + 0 + 66 = 666.

40560066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39501225 + 1058841 = 6285^2 + 1029^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 29785 + ... + 31116.

Almost surely, 2^40560066 is an apocalyptic number.

40560066 is an abundant number, since it is smaller than the sum of its proper divisors (49696698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40560066 is a wasteful number, since it uses less digits than its factorization.

40560066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60946 (or 60943 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 40560066 is about 6368.6785128471. The cubic root of 40560066 is about 343.5839627451.

The spelling of 40560066 in words is "forty million, five hundred sixty thousand, sixty-six".