259682540 has 24 divisors (see below), whose sum is σ = 587282640. Its totient is φ = 95882688.

The previous prime is 259682537. The next prime is 259682543. The reversal of 259682540 is 45286952.

It is an interprime number because it is at equal distance from previous prime (259682537) and next prime (259682543).

It is not an unprimeable number, because it can be changed into a prime (259682543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499130 + ... + 499649.

It is an arithmetic number, because the mean of its divisors is an integer number (24470110).

Almost surely, 2^259682540 is an apocalyptic number.

259682540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259682540 is an abundant number, since it is smaller than the sum of its proper divisors (327600100).

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

259682540 is a wasteful number, since it uses less digits than its factorization.

259682540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998801 (or 998799 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 259682540 is about 16114.6684731644. The cubic root of 259682540 is about 637.9905561637.

The spelling of 259682540 in words is "two hundred fifty-nine million, six hundred eighty-two thousand, five hundred forty".