259284540 has 48 divisors (see below), whose sum is σ = 732799872. Its totient is φ = 68494656.

The previous prime is 259284517. The next prime is 259284541. The reversal of 259284540 is 45482952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259284541) 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 15 ways as a sum of consecutive naturals, for example, 13774 + ... + 26613.

It is an arithmetic number, because the mean of its divisors is an integer number (15266664).

Almost surely, 2^259284540 is an apocalyptic number.

259284540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259284540 is an abundant number, since it is smaller than the sum of its proper divisors (473515332).

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

259284540 is a wasteful number, since it uses less digits than its factorization.

259284540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40506 (or 40504 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 259284540 is about 16102.3147404341. The cubic root of 259284540 is about 637.6644527674.

The spelling of 259284540 in words is "two hundred fifty-nine million, two hundred eighty-four thousand, five hundred forty".