259559490 has 32 divisors (see below), whose sum is σ = 627134400. Its totient is φ = 68750144.

The previous prime is 259559473. The next prime is 259559501. The reversal of 259559490 is 94955952.

It is a happy number.

It is a super-2 number, since 2×259559490² = 134742257698120200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24564 + ... + 33503.

It is an arithmetic number, because the mean of its divisors is an integer number (19597950).

Almost surely, 2^259559490 is an apocalyptic number.

259559490 is an abundant number, since it is smaller than the sum of its proper divisors (367574910).

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

259559490 is a wasteful number, since it uses less digits than its factorization.

259559490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58226.

The product of its (nonzero) digits is 729000, while the sum is 48.

The square root of 259559490 is about 16110.8500706822. The cubic root of 259559490 is about 637.8897701027.

The spelling of 259559490 in words is "two hundred fifty-nine million, five hundred fifty-nine thousand, four hundred ninety".