259325664 has 96 divisors (see below), whose sum is σ = 756854784. Its totient is φ = 77207040.

The previous prime is 259325659. The next prime is 259325687. The reversal of 259325664 is 466523952.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35337 + ... + 42039.

It is an arithmetic number, because the mean of its divisors is an integer number (7883904).

Almost surely, 2^259325664 is an apocalyptic number.

259325664 is a gapful number since it is divisible by the number (24) 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 259325664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378427392).

259325664 is an abundant number, since it is smaller than the sum of its proper divisors (497529120).

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

259325664 is a wasteful number, since it uses less digits than its factorization.

259325664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6760 (or 6752 counting only the distinct ones).

The product of its digits is 388800, while the sum is 42.

The square root of 259325664 is about 16103.5916490701. The cubic root of 259325664 is about 637.6981633860.

The spelling of 259325664 in words is "two hundred fifty-nine million, three hundred twenty-five thousand, six hundred sixty-four".