774144000000 has 1064 divisors, whose sum is σ = 3276751807040. Its totient is φ = 176947200000.

The previous prime is 774143999989. The next prime is 774144000037. The reversal of 774144000000 is 441477.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 110591999997 + ... + 110592000003.

Almost surely, 2^774144000000 is an apocalyptic number.

774144000000 is a gapful number since it is divisible by the number (70) 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 774144000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1638375903520).

774144000000 is an abundant number, since it is smaller than the sum of its proper divisors (2502607807040).

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

774144000000 is an frugal number, since it uses more digits than its factorization.

774144000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

Adding to 774144000000 its reverse (441477), we get a palindrome (774144441477).

The spelling of 774144000000 in words is "seven hundred seventy-four billion, one hundred forty-four million", and thus it is an aban number.