6774178211840 has 384 divisors, whose sum is σ = 18571617792000. Its totient is φ = 2350821408768.

The previous prime is 6774178211839. The next prime is 6774178211873. The reversal of 6774178211840 is 481128714776.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321208016 + ... + 321229104.

It is an arithmetic number, because the mean of its divisors is an integer number (48363588000).

Almost surely, 2^{6774178211840} 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 6774178211840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9285808896000).

6774178211840 is an abundant number, since it is smaller than the sum of its proper divisors (11797439580160).

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

6774178211840 is a wasteful number, since it uses less digits than its factorization.

6774178211840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21275 (or 21255 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 56.

The spelling of 6774178211840 in words is "six trillion, seven hundred seventy-four billion, one hundred seventy-eight million, two hundred eleven thousand, eight hundred forty".