490663458 has 12 divisors (see below), whose sum is σ = 1063104198. Its totient is φ = 163554480.

The previous prime is 490663447. The next prime is 490663471. The reversal of 490663458 is 854366094.

490663458 is a `hidden beast` number, since 4 + 9 + 0 + 6 + 634 + 5 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 353703249 + 136960209 = 18807^2 + 11703^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13629523 + ... + 13629558.

Almost surely, 2^490663458 is an apocalyptic number.

490663458 is an abundant number, since it is smaller than the sum of its proper divisors (572440740).

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

490663458 is a wasteful number, since it uses less digits than its factorization.

490663458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27259089 (or 27259086 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 490663458 is about 22150.9245405243. The cubic root of 490663458 is about 788.7291740135.

The spelling of 490663458 in words is "four hundred ninety million, six hundred sixty-three thousand, four hundred fifty-eight".