259794942 has 128 divisors (see below), whose sum is σ = 634798080. Its totient is φ = 69984000.

The previous prime is 259794889. The next prime is 259794967. The reversal of 259794942 is 249497952.

Its product of digits (1632960) is a multiple of the sum of its prime divisors (270).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1593753 + ... + 1593915.

It is an arithmetic number, because the mean of its divisors is an integer number (4959360).

Almost surely, 2^259794942 is an apocalyptic number.

259794942 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 259794942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317399040).

259794942 is an abundant number, since it is smaller than the sum of its proper divisors (375003138).

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

259794942 is a wasteful number, since it uses less digits than its factorization.

259794942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270.

The product of its digits is 1632960, while the sum is 51.

The square root of 259794942 is about 16118.1556637228. The cubic root of 259794942 is about 638.0825929899.

The spelling of 259794942 in words is "two hundred fifty-nine million, seven hundred ninety-four thousand, nine hundred forty-two".