8140808086820 has 12 divisors (see below), whose sum is σ = 17095696982364. Its totient is φ = 3256323234720.

The previous prime is 8140808086819. The next prime is 8140808086843. The reversal of 8140808086820 is 286808080418.

It can be written as a sum of positive squares in 2 ways, for example, as 5500235086564 + 2640573000256 = 2345258^2 + 1624984^2 .

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, 203520202151 + ... + 203520202190.

It is an arithmetic number, because the mean of its divisors is an integer number (1424641415197).

Almost surely, 2^{8140808086820} is an apocalyptic number.

It is an amenable number.

8140808086820 is an abundant number, since it is smaller than the sum of its proper divisors (8954888895544).

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

8140808086820 is a wasteful number, since it uses less digits than its factorization.

8140808086820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407040404350 (or 407040404348 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 53.

The spelling of 8140808086820 in words is "eight trillion, one hundred forty billion, eight hundred eight million, eighty-six thousand, eight hundred twenty".