259448238 has 96 divisors (see below), whose sum is σ = 692536320. Its totient is φ = 71714160.

The previous prime is 259448219. The next prime is 259448263. The reversal of 259448238 is 832844952.

It is a junction number, because it is equal to n+sod(n) for n = 259448193 and 259448202.

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, 80445 + ... + 83607.

It is an arithmetic number, because the mean of its divisors is an integer number (7213920).

Almost surely, 2^259448238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 259448238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346268160).

259448238 is an abundant number, since it is smaller than the sum of its proper divisors (433088082).

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

259448238 is a wasteful number, since it uses less digits than its factorization.

259448238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3219 (or 3206 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 259448238 is about 16107.3969964113. The cubic root of 259448238 is about 637.7986199592.

The spelling of 259448238 in words is "two hundred fifty-nine million, four hundred forty-eight thousand, two hundred thirty-eight".