259245690258 has 16 divisors (see below), whose sum is σ = 518994294336. Its totient is φ = 86331411120.

The previous prime is 259245690241. The next prime is 259245690281. The reversal of 259245690258 is 852096542952.

It is a happy number.

It is a super-2 number, since 2×259245690258² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 259245690198 and 259245690207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20948041 + ... + 20960412.

It is an arithmetic number, because the mean of its divisors is an integer number (32437143396).

Almost surely, 2^259245690258 is an apocalyptic number.

259245690258 is an abundant number, since it is smaller than the sum of its proper divisors (259748604078).

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

259245690258 is a wasteful number, since it uses less digits than its factorization.

259245690258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41909489.

The product of its (nonzero) digits is 15552000, while the sum is 57.

The spelling of 259245690258 in words is "two hundred fifty-nine billion, two hundred forty-five million, six hundred ninety thousand, two hundred fifty-eight".