40495237166 has 4 divisors (see below), whose sum is σ = 60742855752. Its totient is φ = 20247618582.

The previous prime is 40495237157. The next prime is 40495237169. The reversal of 40495237166 is 66173259404.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40495237166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40495237169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10123809290 + ... + 10123809293.

It is an arithmetic number, because the mean of its divisors is an integer number (15185713938).

Almost surely, 2^40495237166 is an apocalyptic number.

40495237166 is a deficient number, since it is larger than the sum of its proper divisors (20247618586).

40495237166 is a wasteful number, since it uses less digits than its factorization.

40495237166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20247618585.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 40495237166 in words is "forty billion, four hundred ninety-five million, two hundred thirty-seven thousand, one hundred sixty-six".