8229671140240 has 80 divisors (see below), whose sum is σ = 20964589519680. Its totient is φ = 2979539458560.

The previous prime is 8229671140237. The next prime is 8229671140241. The reversal of 8229671140240 is 420411769228.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (8229671140241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20217474 + ... + 20620513.

It is an arithmetic number, because the mean of its divisors is an integer number (262057368996).

Almost surely, 2^{8229671140240} is an apocalyptic number.

8229671140240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8229671140240 is an abundant number, since it is smaller than the sum of its proper divisors (12734918379440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8229671140240 is a wasteful number, since it uses less digits than its factorization.

8229671140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40838240 (or 40838234 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 8229671140240 in words is "eight trillion, two hundred twenty-nine billion, six hundred seventy-one million, one hundred forty thousand, two hundred forty".