259703240 has 16 divisors (see below), whose sum is σ = 584332380. Its totient is φ = 103881280.

The previous prime is 259703179. The next prime is 259703243. The reversal of 259703240 is 42307952.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 249450436 + 10252804 = 15794^2 + 3202^2 .

It is a junction number, because it is equal to n+sod(n) for n = 259703197 and 259703206.

It is not an unprimeable number, because it can be changed into a prime (259703243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3246251 + ... + 3246330.

Almost surely, 2^259703240 is an apocalyptic number.

259703240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259703240 is an abundant number, since it is smaller than the sum of its proper divisors (324629140).

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

259703240 is a wasteful number, since it uses less digits than its factorization.

259703240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6492592 (or 6492588 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 259703240 is about 16115.3107323439. The cubic root of 259703240 is about 638.0075076995.

The spelling of 259703240 in words is "two hundred fifty-nine million, seven hundred three thousand, two hundred forty".