7678180660340 has 48 divisors (see below), whose sum is σ = 16397911857600. Its totient is φ = 3019135548672.

The previous prime is 7678180660327. The next prime is 7678180660421. The reversal of 7678180660340 is 430660818767.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63077456 + ... + 63199064.

It is an arithmetic number, because the mean of its divisors is an integer number (341623163700).

Almost surely, 2^{7678180660340} is an apocalyptic number.

It is an amenable number.

7678180660340 is an abundant number, since it is smaller than the sum of its proper divisors (8719731197260).

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

7678180660340 is a wasteful number, since it uses less digits than its factorization.

7678180660340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175184 (or 175182 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 7678180660340 in words is "seven trillion, six hundred seventy-eight billion, one hundred eighty million, six hundred sixty thousand, three hundred forty".