259285443880 has 32 divisors (see below), whose sum is σ = 583415253000. Its totient is φ = 103710087936.

The previous prime is 259285443869. The next prime is 259285443889. The reversal of 259285443880 is 88344582952.

259285443880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 109623236836 + 149662207044 = 331094^2 + 386862^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (259285443889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028434 + ... + 1255486.

Almost surely, 2^259285443880 is an apocalyptic number.

259285443880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259285443880 is an abundant number, since it is smaller than the sum of its proper divisors (324129809120).

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

259285443880 is a wasteful number, since it uses less digits than its factorization.

259285443880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255613 (or 255609 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 58.

The spelling of 259285443880 in words is "two hundred fifty-nine billion, two hundred eighty-five million, four hundred forty-three thousand, eight hundred eighty".