259648000 has 80 divisors (see below), whose sum is σ = 647608104. Its totient is φ = 103833600.

The previous prime is 259647979. The next prime is 259648001. The reversal of 259648000 is 846952.

It is a happy number.

259648000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 77721856 + 181926144 = 8816^2 + 13488^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (259648001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61972 + ... + 66028.

Almost surely, 2^259648000 is an apocalyptic number.

259648000 is a gapful number since it is divisible by the number (20) 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 259648000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323804052).

259648000 is an abundant number, since it is smaller than the sum of its proper divisors (387960104).

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

259648000 is an frugal number, since it uses more digits than its factorization.

259648000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090 (or 4064 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 259648000 is about 16113.5967431235. The cubic root of 259648000 is about 637.9622688417.

The spelling of 259648000 in words is "two hundred fifty-nine million, six hundred forty-eight thousand".