8169440802280 has 96 divisors (see below), whose sum is σ = 19394759815200. Its totient is φ = 3096486090368.

The previous prime is 8169440802277. The next prime is 8169440802371. The reversal of 8169440802280 is 822080449618.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 460011 + ... + 4068229.

It is an arithmetic number, because the mean of its divisors is an integer number (202028748075).

Almost surely, 2^{8169440802280} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8169440802280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9697379907600).

8169440802280 is an abundant number, since it is smaller than the sum of its proper divisors (11225319012920).

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

8169440802280 is a wasteful number, since it uses less digits than its factorization.

8169440802280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3608383 (or 3608356 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 52.

The spelling of 8169440802280 in words is "eight trillion, one hundred sixty-nine billion, four hundred forty million, eight hundred two thousand, two hundred eighty".