259965581376 has 224 divisors, whose sum is σ = 731800903680. Its totient is φ = 81311846400.

The previous prime is 259965581363. The next prime is 259965581467. The reversal of 259965581376 is 673185569952.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40750155 + ... + 40756533.

It is an arithmetic number, because the mean of its divisors is an integer number (3266968320).

Almost surely, 2^259965581376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 259965581376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365900451840).

259965581376 is an abundant number, since it is smaller than the sum of its proper divisors (471835322304).

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

259965581376 is a wasteful number, since it uses less digits than its factorization.

259965581376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6633 (or 6623 counting only the distinct ones).

The product of its digits is 122472000, while the sum is 66.

The spelling of 259965581376 in words is "two hundred fifty-nine billion, nine hundred sixty-five million, five hundred eighty-one thousand, three hundred seventy-six".