2568215832 has 192 divisors, whose sum is σ = 8304307200. Its totient is φ = 655361280.

The previous prime is 2568215827. The next prime is 2568215833. The reversal of 2568215832 is 2385128652.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568215833) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 471219 + ... + 476637.

It is an arithmetic number, because the mean of its divisors is an integer number (43251600).

Almost surely, 2^2568215832 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 2568215832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4152153600).

2568215832 is an abundant number, since it is smaller than the sum of its proper divisors (5736091368).

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

2568215832 is a wasteful number, since it uses less digits than its factorization.

2568215832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5486 (or 5475 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 2568215832 is about 50677.5673449308. The cubic root of 2568215832 is about 1369.4426190891.

It can be divided in two parts, 25682 and 15832, that added together give a palindrome (41514).

The spelling of 2568215832 in words is "two billion, five hundred sixty-eight million, two hundred fifteen thousand, eight hundred thirty-two".