40836082178 has 8 divisors (see below), whose sum is σ = 62093221068. Its totient is φ = 20138341824.

The previous prime is 40836082171. The next prime is 40836082219. The reversal of 40836082178 is 87128063804.

It can be written as a sum of positive squares in 2 ways, for example, as 37821303529 + 3014778649 = 194477^2 + 54907^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40836082171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139849451 + ... + 139849742.

Almost surely, 2^40836082178 is an apocalyptic number.

40836082178 is a deficient number, since it is larger than the sum of its proper divisors (21257138890).

40836082178 is a wasteful number, since it uses less digits than its factorization.

40836082178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279699268.

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 40836082178 in words is "forty billion, eight hundred thirty-six million, eighty-two thousand, one hundred seventy-eight".