258345344 has 32 divisors (see below), whose sum is σ = 516007800. Its totient is φ = 128837632.

The previous prime is 258345341. The next prime is 258345349. The reversal of 258345344 is 443543852.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 258345298 and 258345307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258345341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51224 + ... + 56040.

Almost surely, 2^258345344 is an apocalyptic number.

It is an amenable number.

258345344 is a deficient number, since it is larger than the sum of its proper divisors (257662456).

258345344 is an equidigital number, since it uses as much as digits as its factorization.

258345344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5250 (or 5238 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

The square root of 258345344 is about 16073.1248984135. The cubic root of 258345344 is about 636.8935924658.

The spelling of 258345344 in words is "two hundred fifty-eight million, three hundred forty-five thousand, three hundred forty-four".