774136068480 has 256 divisors, whose sum is σ = 2768357030400. Its totient is φ = 204431579136.

The previous prime is 774136068451. The next prime is 774136068491. The reversal of 774136068480 is 84860631477.

774136068480 is a `hidden beast` number, since 7 + 7 + 41 + 3 + 60 + 68 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1562367 + ... + 1997313.

It is an arithmetic number, because the mean of its divisors is an integer number (10813894650).

Almost surely, 2^774136068480 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 774136068480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1384178515200).

774136068480 is an abundant number, since it is smaller than the sum of its proper divisors (1994220961920).

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

774136068480 is a wasteful number, since it uses less digits than its factorization.

774136068480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435078 (or 435060 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 774136068480 in words is "seven hundred seventy-four billion, one hundred thirty-six million, sixty-eight thousand, four hundred eighty".