4259565648 has 60 divisors (see below), whose sum is σ = 12837863220. Its totient is φ = 1310635008.

The previous prime is 4259565643. The next prime is 4259565677. The reversal of 4259565648 is 8465659524.

4259565648 is a `hidden beast` number, since 4 + 2 + 595 + 6 + 5 + 6 + 48 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 821854224 + 3437711424 = 28668^2 + 58632^2 .

It is a super-3 number, since 3×4259565648³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4259565594 and 4259565603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4259565641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1135833 + ... + 1139576.

It is an arithmetic number, because the mean of its divisors is an integer number (213964387).

Almost surely, 2^4259565648 is an apocalyptic number.

4259565648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4259565648 is an abundant number, since it is smaller than the sum of its proper divisors (8578297572).

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

4259565648 is a wasteful number, since it uses less digits than its factorization.

4259565648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2275436 (or 2275427 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 54.

The square root of 4259565648 is about 65265.3479880403. The cubic root of 4259565648 is about 1621.0202443950.

The spelling of 4259565648 in words is "four billion, two hundred fifty-nine million, five hundred sixty-five thousand, six hundred forty-eight".