259399771904 has 432 divisors, whose sum is σ = 692837657568. Its totient is φ = 95737872384.

The previous prime is 259399771871. The next prime is 259399771913. The reversal of 259399771904 is 409177993952.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 379794347 + ... + 379795029.

It is an arithmetic number, because the mean of its divisors is an integer number (1603790874).

Almost surely, 2^259399771904 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 259399771904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346418828784).

259399771904 is an abundant number, since it is smaller than the sum of its proper divisors (433437885664).

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

259399771904 is a wasteful number, since it uses less digits than its factorization.

259399771904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 38578680, while the sum is 65.

The spelling of 259399771904 in words is "two hundred fifty-nine billion, three hundred ninety-nine million, seven hundred seventy-one thousand, nine hundred four".