8489034771840 has 768 divisors, whose sum is σ = 35174176128000. Its totient is φ = 1845463302144.

The previous prime is 8489034771761. The next prime is 8489034771901. The reversal of 8489034771840 is 481774309848.

8489034771840 is a `hidden beast` number, since 8 + 4 + 89 + 0 + 3 + 477 + 1 + 84 + 0 = 666.

It is a super-2 number, since 2×8489034771840² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 78287581 + ... + 78395939.

It is an arithmetic number, because the mean of its divisors is an integer number (45799708500).

Almost surely, 2^{8489034771840} is an apocalyptic number.

8489034771840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8489034771840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17587088064000).

8489034771840 is an abundant number, since it is smaller than the sum of its proper divisors (26685141356160).

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

8489034771840 is a wasteful number, since it uses less digits than its factorization.

8489034771840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108487 (or 108472 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 63.

The spelling of 8489034771840 in words is "eight trillion, four hundred eighty-nine billion, thirty-four million, seven hundred seventy-one thousand, eight hundred forty".