259068819840 has 64 divisors (see below), whose sum is σ = 825781869360. Its totient is φ = 69085018112.

The previous prime is 259068819829. The next prime is 259068819847. The reversal of 259068819840 is 48918860952.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259068819847) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 67463919 + ... + 67467758.

Almost surely, 2^259068819840 is an apocalyptic number.

259068819840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259068819840 is an abundant number, since it is smaller than the sum of its proper divisors (566713049520).

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

259068819840 is a wasteful number, since it uses less digits than its factorization.

259068819840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134931699 (or 134931687 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 60.

The spelling of 259068819840 in words is "two hundred fifty-nine billion, sixty-eight million, eight hundred nineteen thousand, eight hundred forty".