259430000 has 50 divisors (see below), whose sum is σ = 628130184. Its totient is φ = 103768000.

The previous prime is 259429999. The next prime is 259430023. The reversal of 259430000 is 34952.

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2972 + ... + 22971.

Almost surely, 2^259430000 is an apocalyptic number.

259430000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259430000 is an abundant number, since it is smaller than the sum of its proper divisors (368700184).

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

259430000 is an equidigital number, since it uses as much as digits as its factorization.

259430000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25971 (or 25950 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 259430000 is about 16106.8308490528. The cubic root of 259430000 is about 637.7836748537.

Adding to 259430000 its reverse (34952), we get a palindrome (259464952).

The spelling of 259430000 in words is "two hundred fifty-nine million, four hundred thirty thousand".