404968258 has 4 divisors (see below), whose sum is σ = 607452390. Its totient is φ = 202484128.

The previous prime is 404968253. The next prime is 404968279. The reversal of 404968258 is 852869404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 341399529 + 63568729 = 18477^2 + 7973^2 .

It is not an unprimeable number, because it can be changed into a prime (404968253) 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 as a sum of consecutive naturals, namely, 101242063 + ... + 101242066.

Almost surely, 2^404968258 is an apocalyptic number.

404968258 is a deficient number, since it is larger than the sum of its proper divisors (202484132).

404968258 is a wasteful number, since it uses less digits than its factorization.

404968258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202484131.

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 404968258 is about 20123.8231457146. The cubic root of 404968258 is about 739.8442927809.

The spelling of 404968258 in words is "four hundred four million, nine hundred sixty-eight thousand, two hundred fifty-eight".