40242066 has 32 divisors (see below), whose sum is σ = 83738688. Its totient is φ = 12882240.

The previous prime is 40241989. The next prime is 40242079. The reversal of 40242066 is 66024204.

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 15 ways as a sum of consecutive naturals, for example, 14460 + ... + 17016.

It is an arithmetic number, because the mean of its divisors is an integer number (2616834).

Almost surely, 2^40242066 is an apocalyptic number.

40242066 is an abundant number, since it is smaller than the sum of its proper divisors (43496622).

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

40242066 is a wasteful number, since it uses less digits than its factorization.

40242066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 40242066 is about 6343.6634526116. The cubic root of 40242066 is about 342.6836807569.

The spelling of 40242066 in words is "forty million, two hundred forty-two thousand, sixty-six".