259706840391340 has 24 divisors (see below), whose sum is σ = 549365272600032. Its totient is φ = 103124468008320.

The previous prime is 259706840391331. The next prime is 259706840391359. The reversal of 259706840391340 is 43193048607952.

It is a happy 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, 47391756456 + ... + 47391761935.

It is an arithmetic number, because the mean of its divisors is an integer number (22890219691668).

It is a 2-persistent number, because it is pandigital, and so is 2⋅259706840391340 = 519413680782680, but 3⋅259706840391340 = 779120521174020 is not.

Almost surely, 2^{259706840391340} is an apocalyptic number.

259706840391340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259706840391340 is an abundant number, since it is smaller than the sum of its proper divisors (289658432208692).

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

259706840391340 is a wasteful number, since it uses less digits than its factorization.

259706840391340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94783518537 (or 94783518535 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 259706840391340 in words is "two hundred fifty-nine trillion, seven hundred six billion, eight hundred forty million, three hundred ninety-one thousand, three hundred forty".