259967340 has 96 divisors (see below), whose sum is σ = 826076160. Its totient is φ = 67843008.

The previous prime is 259967297. The next prime is 259967369. The reversal of 259967340 is 43769952.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20259 + ... + 30501.

It is an arithmetic number, because the mean of its divisors is an integer number (8604960).

Almost surely, 2^259967340 is an apocalyptic number.

259967340 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 259967340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413038080).

259967340 is an abundant number, since it is smaller than the sum of its proper divisors (566108820).

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

259967340 is a wasteful number, since it uses less digits than its factorization.

259967340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10308 (or 10300 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 259967340 is about 16123.5027211831. The cubic root of 259967340 is about 638.2237040758.

The spelling of 259967340 in words is "two hundred fifty-nine million, nine hundred sixty-seven thousand, three hundred forty".