259559465256 has 864 divisors, whose sum is σ = 944648049600. Its totient is φ = 65808288000.

The previous prime is 259559465233. The next prime is 259559465257. The reversal of 259559465256 is 652564955952.

It is a happy number.

259559465256 is a `hidden beast` number, since 2 + 59 + 5 + 59 + 4 + 6 + 525 + 6 = 666.

259559465256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×259559465256² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 259559465193 and 259559465202.

It is not an unprimeable number, because it can be changed into a prime (259559465257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1718936781 + ... + 1718936931.

It is an arithmetic number, because the mean of its divisors is an integer number (1093342650).

Almost surely, 2^259559465256 is an apocalyptic number.

259559465256 is a gapful number since it is divisible by the number (26) 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 259559465256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472324024800).

259559465256 is an abundant number, since it is smaller than the sum of its proper divisors (685088584344).

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

259559465256 is a wasteful number, since it uses less digits than its factorization.

259559465256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 207 counting only the distinct ones).

The product of its digits is 145800000, while the sum is 63.

The spelling of 259559465256 in words is "two hundred fifty-nine billion, five hundred fifty-nine million, four hundred sixty-five thousand, two hundred fifty-six".