259027071440 has 40 divisors (see below), whose sum is σ = 633934678560. Its totient is φ = 98157626496.

The previous prime is 259027071439. The next prime is 259027071461. The reversal of 259027071440 is 44170720952.

It is a tau number, because it is divible by the number of its divisors (40).

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, 85204754 + ... + 85207793.

It is an arithmetic number, because the mean of its divisors is an integer number (15848366964).

Almost surely, 2^259027071440 is an apocalyptic number.

259027071440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

259027071440 is an abundant number, since it is smaller than the sum of its proper divisors (374907607120).

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

259027071440 is a wasteful number, since it uses less digits than its factorization.

259027071440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170412579 (or 170412573 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 259027071440 in words is "two hundred fifty-nine billion, twenty-seven million, seventy-one thousand, four hundred forty".