1382715776 has 64 divisors (see below), whose sum is σ = 3007425120. Its totient is φ = 629379072.

The previous prime is 1382715773. The next prime is 1382715809. The reversal of 1382715776 is 6775172831.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 1382715776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382715773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115781 + ... + 127163.

Almost surely, 2^1382715776 is an apocalyptic number.

1382715776 is a gapful number since it is divisible by the number (16) 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 1382715776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1503712560).

1382715776 is an abundant number, since it is smaller than the sum of its proper divisors (1624709344).

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

1382715776 is a wasteful number, since it uses less digits than its factorization.

1382715776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11483 (or 11471 counting only the distinct ones).

The product of its digits is 493920, while the sum is 47.

The square root of 1382715776 is about 37184.8863921890. The cubic root of 1382715776 is about 1114.0661343476.

The spelling of 1382715776 in words is "one billion, three hundred eighty-two million, seven hundred fifteen thousand, seven hundred seventy-six".