259799265140 has 24 divisors (see below), whose sum is σ = 545630051232. Its totient is φ = 103909878560.

The previous prime is 259799265101. The next prime is 259799265151. The reversal of 259799265140 is 41562997952.

It is a self number, because there is not a number n which added to its sum of digits gives 259799265140.

It is a congruent number.

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, 395546 + ... + 822225.

It is an arithmetic number, because the mean of its divisors is an integer number (22734585468).

Almost surely, 2^259799265140 is an apocalyptic number.

259799265140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259799265140 is an abundant number, since it is smaller than the sum of its proper divisors (285830786092).

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

259799265140 is a wasteful number, since it uses less digits than its factorization.

259799265140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228447 (or 1228445 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 59.

The spelling of 259799265140 in words is "two hundred fifty-nine billion, seven hundred ninety-nine million, two hundred sixty-five thousand, one hundred forty".