1382774519808 has 960 divisors, whose sum is σ = 4808505461760. Its totient is φ = 391716864000.

The previous prime is 1382774519783. The next prime is 1382774519809. The reversal of 1382774519808 is 8089154772831.

1382774519808 is a `hidden beast` number, since 1 + 38 + 2 + 7 + 7 + 4 + 519 + 80 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382774519809) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1972573858 + ... + 1972574558.

It is an arithmetic number, because the mean of its divisors is an integer number (5008859856).

Almost surely, 2^{1382774519808} is an apocalyptic number.

1382774519808 is a gapful number since it is divisible by the number (18) 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 1382774519808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2404252730880).

1382774519808 is an abundant number, since it is smaller than the sum of its proper divisors (3425730941952).

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

1382774519808 is a wasteful number, since it uses less digits than its factorization.

1382774519808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 63.

The spelling of 1382774519808 in words is "one trillion, three hundred eighty-two billion, seven hundred seventy-four million, five hundred nineteen thousand, eight hundred eight".