5645486845782 has 96 divisors (see below), whose sum is σ = 14099129740800. Its totient is φ = 1599223336704.

The previous prime is 5645486845709. The next prime is 5645486845787. The reversal of 5645486845782 is 2875486845465.

It is a happy number.

5645486845782 is a `hidden beast` number, since 5 + 6 + 4 + 5 + 48 + 6 + 8 + 4 + 578 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5645486845782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645486845787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7229319 + ... + 7972077.

It is an arithmetic number, because the mean of its divisors is an integer number (146865934800).

Almost surely, 2^{5645486845782} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5645486845782, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7049564870400).

5645486845782 is an abundant number, since it is smaller than the sum of its proper divisors (8453642895018).

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

5645486845782 is a wasteful number, since it uses less digits than its factorization.

5645486845782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743290 (or 743287 counting only the distinct ones).

The product of its digits is 2064384000, while the sum is 72.

The spelling of 5645486845782 in words is "five trillion, six hundred forty-five billion, four hundred eighty-six million, eight hundred forty-five thousand, seven hundred eighty-two".