780340474368 has 480 divisors, whose sum is σ = 2793850515456. Its totient is φ = 204169641984.

The previous prime is 780340474363. The next prime is 780340474421. The reversal of 780340474368 is 863474043087.

780340474368 is a `hidden beast` number, since 7 + 80 + 34 + 0 + 474 + 3 + 68 = 666.

780340474368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (780340474363) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53247330 + ... + 53261982.

Almost surely, 2^780340474368 is an apocalyptic number.

780340474368 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 780340474368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1396925257728).

780340474368 is an abundant number, since it is smaller than the sum of its proper divisors (2013510041088).

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

780340474368 is a wasteful number, since it uses less digits than its factorization.

780340474368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14824 (or 14805 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 54.

The spelling of 780340474368 in words is "seven hundred eighty billion, three hundred forty million, four hundred seventy-four thousand, three hundred sixty-eight".