6866426448 has 480 divisors, whose sum is σ = 23746694400. Its totient is φ = 1849236480.

The previous prime is 6866426447. The next prime is 6866426467. The reversal of 6866426448 is 8446246686.

It is a nude number because it is divisible by every one of its digits.

Its product of digits (10616832) is a multiple of the sum of its prime factors (192).

It is a junction number, because it is equal to n+sod(n) for n = 6866426394 and 6866426403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6866426447) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 112564338 + ... + 112564398.

It is an arithmetic number, because the mean of its divisors is an integer number (49472280).

Almost surely, 2^6866426448 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 6866426448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11873347200).

6866426448 is an abundant number, since it is smaller than the sum of its proper divisors (16880267952).

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

6866426448 is a wasteful number, since it uses less digits than its factorization.

6866426448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 169 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 54.

The square root of 6866426448 is about 82863.9031665779. The cubic root of 6866426448 is about 1900.6854819327.

The spelling of 6866426448 in words is "six billion, eight hundred sixty-six million, four hundred twenty-six thousand, four hundred forty-eight".