258263742 has 32 divisors (see below), whose sum is σ = 566766720. Its totient is φ = 77805920.

The previous prime is 258263741. The next prime is 258263773. The reversal of 258263742 is 247362852.

It is a self number, because there is not a number n which added to its sum of digits gives 258263742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258263741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109 + ... + 22727.

It is an arithmetic number, because the mean of its divisors is an integer number (17711460).

Almost surely, 2^258263742 is an apocalyptic number.

258263742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

258263742 is an abundant number, since it is smaller than the sum of its proper divisors (308502978).

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

258263742 is a wasteful number, since it uses less digits than its factorization.

258263742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22808.

The product of its digits is 161280, while the sum is 39.

The square root of 258263742 is about 16070.5862369734. The cubic root of 258263742 is about 636.8265281465.

The spelling of 258263742 in words is "two hundred fifty-eight million, two hundred sixty-three thousand, seven hundred forty-two".