40182247 has 4 divisors (see below), whose sum is σ = 45922576. Its totient is φ = 34441920.

The previous prime is 40182223. The next prime is 40182251. The reversal of 40182247 is 74228104.

40182247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40182247 - 2⁷ = 40182119 is a prime.

It is a super-2 number, since 2×40182247² = 3229225947938018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40182217) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2870154 + ... + 2870167.

It is an arithmetic number, because the mean of its divisors is an integer number (11480644).

Almost surely, 2^40182247 is an apocalyptic number.

40182247 is a deficient number, since it is larger than the sum of its proper divisors (5740329).

40182247 is an equidigital number, since it uses as much as digits as its factorization.

40182247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5740328.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 40182247 is about 6338.9468368176. The cubic root of 40182247 is about 342.5137991492.

The spelling of 40182247 in words is "forty million, one hundred eighty-two thousand, two hundred forty-seven".