458490566 has 4 divisors (see below), whose sum is σ = 687735852. Its totient is φ = 229245282.

The previous prime is 458490541. The next prime is 458490583. The reversal of 458490566 is 665094854.

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

It is a super-2 number, since 2×458490566² = 420427198222000712, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 458490566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114622640 + ... + 114622643.

It is an arithmetic number, because the mean of its divisors is an integer number (171933963).

Almost surely, 2^458490566 is an apocalyptic number.

458490566 is a deficient number, since it is larger than the sum of its proper divisors (229245286).

458490566 is a wasteful number, since it uses less digits than its factorization.

458490566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229245285.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The square root of 458490566 is about 21412.3928135087. The cubic root of 458490566 is about 771.0989906672.

The spelling of 458490566 in words is "four hundred fifty-eight million, four hundred ninety thousand, five hundred sixty-six".