2568423648 has 192 divisors, whose sum is σ = 8588643840. Its totient is φ = 654262272.

The previous prime is 2568423647. The next prime is 2568423653. The reversal of 2568423648 is 8463248652.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 2568423597 and 2568423606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568423647) 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, 211140 + ... + 222972.

It is an arithmetic number, because the mean of its divisors is an integer number (44732520).

Almost surely, 2^2568423648 is an apocalyptic number.

2568423648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2568423648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4294321920).

2568423648 is an abundant number, since it is smaller than the sum of its proper divisors (6020220192).

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

2568423648 is a wasteful number, since it uses less digits than its factorization.

2568423648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11889 (or 11881 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 48.

The square root of 2568423648 is about 50679.6176781159. The cubic root of 2568423648 is about 1369.4795558097.

The spelling of 2568423648 in words is "two billion, five hundred sixty-eight million, four hundred twenty-three thousand, six hundred forty-eight".