40121182 has 4 divisors (see below), whose sum is σ = 60181776. Its totient is φ = 20060590.

The previous prime is 40121171. The next prime is 40121183. The reversal of 40121182 is 28112104.

It is a happy number.

40121182 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (40121183) 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 as a sum of consecutive naturals, namely, 10030294 + ... + 10030297.

It is an arithmetic number, because the mean of its divisors is an integer number (15045444).

Almost surely, 2^40121182 is an apocalyptic number.

40121182 is a deficient number, since it is larger than the sum of its proper divisors (20060594).

40121182 is a wasteful number, since it uses less digits than its factorization.

40121182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20060593.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 40121182 is about 6334.1283536095. The cubic root of 40121182 is about 342.3402049974.

Adding to 40121182 its reverse (28112104), we get a palindrome (68233286).

The spelling of 40121182 in words is "forty million, one hundred twenty-one thousand, one hundred eighty-two".