8140018682 has 8 divisors (see below), whose sum is σ = 12211720500. Its totient is φ = 4069445184.

The previous prime is 8140018643. The next prime is 8140018717. The reversal of 8140018682 is 2868100418.

It can be written as a sum of positive squares in 2 ways, for example, as 7912280401 + 227738281 = 88951^2 + 15091^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263807 + ... + 293042.

Almost surely, 2^8140018682 is an apocalyptic number.

8140018682 is a deficient number, since it is larger than the sum of its proper divisors (4071701818).

8140018682 is a wasteful number, since it uses less digits than its factorization.

8140018682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564160.

The product of its (nonzero) digits is 24576, while the sum is 38.

The square root of 8140018682 is about 90222.0520826256. The cubic root of 8140018682 is about 2011.6008040707.

The spelling of 8140018682 in words is "eight billion, one hundred forty million, eighteen thousand, six hundred eighty-two".