258744441 has 16 divisors (see below), whose sum is σ = 360331200. Its totient is φ = 164985408.

The previous prime is 258744439. The next prime is 258744557. The reversal of 258744441 is 144447852.

258744441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 258744441 - 2¹ = 258744439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 258744441.

It is not an unprimeable number, because it can be changed into a prime (258744401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13206 + ... + 26303.

It is an arithmetic number, because the mean of its divisors is an integer number (22520700).

Almost surely, 2^258744441 is an apocalyptic number.

It is an amenable number.

258744441 is a deficient number, since it is larger than the sum of its proper divisors (101586759).

258744441 is a wasteful number, since it uses less digits than its factorization.

258744441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39608.

The product of its digits is 143360, while the sum is 39.

The square root of 258744441 is about 16085.5351480764. The cubic root of 258744441 is about 637.2213856718.

The spelling of 258744441 in words is "two hundred fifty-eight million, seven hundred forty-four thousand, four hundred forty-one".