457668844 has 24 divisors (see below), whose sum is σ = 808674048. Its totient is φ = 226629840.

The previous prime is 457668829. The next prime is 457668851. The reversal of 457668844 is 448866754.

457668844 = T₁₅₇ + T₁₅₈ + ... + T₁₄₀₀.

It is a junction number, because it is equal to n+sod(n) for n = 457668791 and 457668800.

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 7 ways as a sum of consecutive naturals, for example, 206647 + ... + 208849.

It is an arithmetic number, because the mean of its divisors is an integer number (33694752).

Almost surely, 2^457668844 is an apocalyptic number.

It is an amenable number.

457668844 is a deficient number, since it is larger than the sum of its proper divisors (351005204).

457668844 is a wasteful number, since it uses less digits than its factorization.

457668844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685 (or 2683 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 52.

The square root of 457668844 is about 21393.1962081406. The cubic root of 457668844 is about 770.6380521251.

The spelling of 457668844 in words is "four hundred fifty-seven million, six hundred sixty-eight thousand, eight hundred forty-four".