259450842 has 64 divisors (see below), whose sum is σ = 619315200. Its totient is φ = 70899840.

The previous prime is 259450831. The next prime is 259450853. The reversal of 259450842 is 248054952.

It is an interprime number because it is at equal distance from previous prime (259450831) and next prime (259450853).

It is a self number, because there is not a number n which added to its sum of digits gives 259450842.

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, 114759 + ... + 116997.

It is an arithmetic number, because the mean of its divisors is an integer number (9676800).

Almost surely, 2^259450842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 259450842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309657600).

259450842 is an abundant number, since it is smaller than the sum of its proper divisors (359864358).

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

259450842 is a wasteful number, since it uses less digits than its factorization.

259450842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 259450842 is about 16107.4778286360. The cubic root of 259450842 is about 637.8007537464.

The spelling of 259450842 in words is "two hundred fifty-nine million, four hundred fifty thousand, eight hundred forty-two".