268435458 has 40 divisors (see below), whose sum is σ = 633159120. Its totient is φ = 84768120.

The previous prime is 268435399. The next prime is 268435459. The reversal of 268435458 is 854534862.

268435458 is a `hidden beast` number, since 2 + 68 + 43 + 545 + 8 = 666.

268435458 is nontrivially palindromic in base 8.

It is a super-2 number, since 2×268435458² = 144115190223339528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268435459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (2) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40528 + ... + 46683.

It is an arithmetic number, because the mean of its divisors is an integer number (15828978).

Almost surely, 2^268435458 is an apocalyptic number.

268435458 is an abundant number, since it is smaller than the sum of its proper divisors (364723662).

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

268435458 is a wasteful number, since it uses less digits than its factorization.

268435458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87244 (or 87235 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The square root of 268435458 is about 16384.0000610352. Note that the first 4 decimals coincide. The cubic root of 268435458 is about 645.0795791482.

The spelling of 268435458 in words is "two hundred sixty-eight million, four hundred thirty-five thousand, four hundred fifty-eight".