5782785783840 has 216 divisors, whose sum is σ = 21368506444740. Its totient is φ = 1423454902272.

The previous prime is 5782785783781. The next prime is 5782785783851. The reversal of 5782785783840 is 483875872875.

5782785783840 is a `hidden beast` number, since 5 + 7 + 8 + 2 + 7 + 8 + 578 + 3 + 8 + 40 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 2245933838736 + 3536851945104 = 1498644^2 + 1880652^2 .

It is a super-2 number, since 2×5782785783840² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11637775 + ... + 12124494.

Almost surely, 2^{5782785783840} is an apocalyptic number.

It is an amenable number.

5782785783840 is an abundant number, since it is smaller than the sum of its proper divisors (15585720660900).

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

5782785783840 is a wasteful number, since it uses less digits than its factorization.

5782785783840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23762316 (or 23762292 counting only the distinct ones).

The product of its (nonzero) digits is 842956800, while the sum is 72.

The spelling of 5782785783840 in words is "five trillion, seven hundred eighty-two billion, seven hundred eighty-five million, seven hundred eighty-three thousand, eight hundred forty".