494257418 has 8 divisors (see below), whose sum is σ = 741628740. Its totient is φ = 247047840.

The previous prime is 494257409. The next prime is 494257429. The reversal of 494257418 is 814752494.

It can be written as a sum of positive squares in 2 ways, for example, as 482812729 + 11444689 = 21973^2 + 3383^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32483 + ... + 45206.

Almost surely, 2^494257418 is an apocalyptic number.

494257418 is a deficient number, since it is larger than the sum of its proper divisors (247371322).

494257418 is a wasteful number, since it uses less digits than its factorization.

494257418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80872.

The product of its digits is 322560, while the sum is 44.

The square root of 494257418 is about 22231.9009083794. The cubic root of 494257418 is about 790.6502247010.

The spelling of 494257418 in words is "four hundred ninety-four million, two hundred fifty-seven thousand, four hundred eighteen".