40109182 has 4 divisors (see below), whose sum is σ = 60163776. Its totient is φ = 20054590.

The previous prime is 40109177. The next prime is 40109183. The reversal of 40109182 is 28190104.

It is a happy number.

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 (40109183) by changing a digit.

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 as a sum of consecutive naturals, namely, 10027294 + ... + 10027297.

It is an arithmetic number, because the mean of its divisors is an integer number (15040944).

Almost surely, 2^40109182 is an apocalyptic number.

40109182 is a deficient number, since it is larger than the sum of its proper divisors (20054594).

40109182 is a wasteful number, since it uses less digits than its factorization.

40109182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20054593.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 40109182 is about 6333.1810332565. The cubic root of 40109182 is about 342.3060709740.

Adding to 40109182 its reverse (28190104), we get a palindrome (68299286).

The spelling of 40109182 in words is "forty million, one hundred nine thousand, one hundred eighty-two".