259555430 has 8 divisors (see below), whose sum is σ = 467199792. Its totient is φ = 103822168.

The previous prime is 259555421. The next prime is 259555433. The reversal of 259555430 is 34555952.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259555433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12977762 + ... + 12977781.

It is an arithmetic number, because the mean of its divisors is an integer number (58399974).

Almost surely, 2^259555430 is an apocalyptic number.

259555430 is a deficient number, since it is larger than the sum of its proper divisors (207644362).

259555430 is a wasteful number, since it uses less digits than its factorization.

259555430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25955550.

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 259555430 is about 16110.7240681479. The cubic root of 259555430 is about 637.8864441523.

The spelling of 259555430 in words is "two hundred fifty-nine million, five hundred fifty-five thousand, four hundred thirty".