1365780822648 has 128 divisors (see below), whose sum is σ = 3927434515200. Its totient is φ = 391436928000.

The previous prime is 1365780822643. The next prime is 1365780822649. The reversal of 1365780822648 is 8462280875631.

It is a junction number, because it is equal to n+sod(n) for n = 1365780822591 and 1365780822600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365780822641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2788090 + ... + 3241142.

It is an arithmetic number, because the mean of its divisors is an integer number (30683082150).

Almost surely, 2^{1365780822648} 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 1365780822648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1963717257600).

1365780822648 is an abundant number, since it is smaller than the sum of its proper divisors (2561653692552).

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

1365780822648 is a wasteful number, since it uses less digits than its factorization.

1365780822648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453693 (or 453689 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 60.

The spelling of 1365780822648 in words is "one trillion, three hundred sixty-five billion, seven hundred eighty million, eight hundred twenty-two thousand, six hundred forty-eight".