259378729144 has 16 divisors (see below), whose sum is σ = 486742792320. Its totient is φ = 129580651200.

The previous prime is 259378729139. The next prime is 259378729153. The reversal of 259378729144 is 441927873952.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13579032 + ... + 13598119.

It is an arithmetic number, because the mean of its divisors is an integer number (30421424520).

Almost surely, 2^259378729144 is an apocalyptic number.

It is an amenable number.

259378729144 is a deficient number, since it is larger than the sum of its proper divisors (227364063176).

259378729144 is a wasteful number, since it uses less digits than its factorization.

259378729144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27178350 (or 27178346 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 61.

The spelling of 259378729144 in words is "two hundred fifty-nine billion, three hundred seventy-eight million, seven hundred twenty-nine thousand, one hundred forty-four".