258468424 has 8 divisors (see below), whose sum is σ = 484628310. Its totient is φ = 129234208.

The previous prime is 258468377. The next prime is 258468433. The reversal of 258468424 is 424864852.

It can be written as a sum of positive squares in only one way, i.e., 148596100 + 109872324 = 12190^2 + 10482^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16154269 + ... + 16154284.

Almost surely, 2^258468424 is an apocalyptic number.

It is an amenable number.

258468424 is a deficient number, since it is larger than the sum of its proper divisors (226159886).

258468424 is a wasteful number, since it uses less digits than its factorization.

258468424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32308559 (or 32308555 counting only the distinct ones).

The product of its digits is 491520, while the sum is 43.

The square root of 258468424 is about 16076.9531939357. The cubic root of 258468424 is about 636.9947186262.

The spelling of 258468424 in words is "two hundred fifty-eight million, four hundred sixty-eight thousand, four hundred twenty-four".