259971960 has 64 divisors (see below), whose sum is σ = 784759680. Its totient is φ = 68895360.

The previous prime is 259971947. The next prime is 259972039. The reversal of 259971960 is 69179952.

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, 12915 + ... + 26205.

It is an arithmetic number, because the mean of its divisors is an integer number (12261870).

Almost surely, 2^259971960 is an apocalyptic number.

259971960 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 259971960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392379840).

259971960 is an abundant number, since it is smaller than the sum of its proper divisors (524787720).

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

259971960 is a wasteful number, since it uses less digits than its factorization.

259971960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13468 (or 13464 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 48.

The square root of 259971960 is about 16123.6459896638. The cubic root of 259971960 is about 638.2274847764.

The spelling of 259971960 in words is "two hundred fifty-nine million, nine hundred seventy-one thousand, nine hundred sixty".