259896040 has 24 divisors (see below), whose sum is σ = 584995590. Its totient is φ = 103917632.

The previous prime is 259896031. The next prime is 259896071. The reversal of 259896040 is 40698952.

It can be written as a sum of positive squares in 3 ways, for example, as 259403236 + 492804 = 16106^2 + 702^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100686 + ... + 103234.

Almost surely, 2^259896040 is an apocalyptic number.

259896040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259896040 is an abundant number, since it is smaller than the sum of its proper divisors (325099550).

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

259896040 is an frugal number, since it uses more digits than its factorization.

259896040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 259896040 is about 16121.2915115384. The cubic root of 259896040 is about 638.1653512190.

The spelling of 259896040 in words is "two hundred fifty-nine million, eight hundred ninety-six thousand, forty".