6178040856 has 384 divisors, whose sum is σ = 20547878400. Its totient is φ = 1706158080.

The previous prime is 6178040851. The next prime is 6178040861. The reversal of 6178040856 is 6580408716.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6178040851) and next prime (6178040861).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6178040851) 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, 18664611 + ... + 18664941.

It is an arithmetic number, because the mean of its divisors is an integer number (53510100).

Almost surely, 2^6178040856 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 6178040856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10273939200).

6178040856 is an abundant number, since it is smaller than the sum of its proper divisors (14369837544).

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

6178040856 is a wasteful number, since it uses less digits than its factorization.

6178040856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 6178040856 is about 78600.5143494621. The cubic root of 6178040856 is about 1834.9191168778.

The spelling of 6178040856 in words is "six billion, one hundred seventy-eight million, forty thousand, eight hundred fifty-six".