2568143284 has 48 divisors (see below), whose sum is σ = 5724673920. Its totient is φ = 981365760.

The previous prime is 2568143243. The next prime is 2568143293. The reversal of 2568143284 is 4823418652.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2568143284.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132937 + ... + 151024.

It is an arithmetic number, because the mean of its divisors is an integer number (119264040).

Almost surely, 2^2568143284 is an apocalyptic number.

It is an amenable number.

2568143284 is an abundant number, since it is smaller than the sum of its proper divisors (3156530636).

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

2568143284 is a wasteful number, since it uses less digits than its factorization.

2568143284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284008 (or 284006 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 2568143284 is about 50676.8515596618. The cubic root of 2568143284 is about 1369.4297241113.

The spelling of 2568143284 in words is "two billion, five hundred sixty-eight million, one hundred forty-three thousand, two hundred eighty-four".