259660674 has 128 divisors (see below), whose sum is σ = 724308480. Its totient is φ = 67122432.

The previous prime is 259660673. The next prime is 259660747. The reversal of 259660674 is 476066952.

It is not an unprimeable number, because it can be changed into a prime (259660673) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 259944 + ... + 260940.

It is an arithmetic number, because the mean of its divisors is an integer number (5658660).

Almost surely, 2^259660674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 259660674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362154240).

259660674 is an abundant number, since it is smaller than the sum of its proper divisors (464647806).

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

259660674 is a wasteful number, since it uses less digits than its factorization.

259660674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 259660674 is about 16113.9900086850. The cubic root of 259660674 is about 637.9726487949.

The spelling of 259660674 in words is "two hundred fifty-nine million, six hundred sixty thousand, six hundred seventy-four".