8434841856 has 432 divisors, whose sum is σ = 28011957120. Its totient is φ = 2205941760.

The previous prime is 8434841843. The next prime is 8434841881. The reversal of 8434841856 is 6581484348.

It is a super-2 number, since 2×8434841856² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 8434841799 and 8434841808.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94773460 + ... + 94773548.

Almost surely, 2^8434841856 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 8434841856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14005978560).

8434841856 is an abundant number, since it is smaller than the sum of its proper divisors (19577115264).

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

8434841856 is a wasteful number, since it uses less digits than its factorization.

8434841856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 179 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 51.

The square root of 8434841856 is about 91841.3951113549. The cubic root of 8434841856 is about 2035.5994029429.

The spelling of 8434841856 in words is "eight billion, four hundred thirty-four million, eight hundred forty-one thousand, eight hundred fifty-six".