457643768 has 16 divisors (see below), whose sum is σ = 870890280. Its totient is φ = 225406368.

The previous prime is 457643759. The next prime is 457643773. The reversal of 457643768 is 867346754.

It is a congruent number.

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, 426371 + ... + 427442.

Almost surely, 2^457643768 is an apocalyptic number.

It is an amenable number.

457643768 is a deficient number, since it is larger than the sum of its proper divisors (413246512).

457643768 is a wasteful number, since it uses less digits than its factorization.

457643768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853886 (or 853882 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 50.

The square root of 457643768 is about 21392.6101259290. The cubic root of 457643768 is about 770.6239772666.

The spelling of 457643768 in words is "four hundred fifty-seven million, six hundred forty-three thousand, seven hundred sixty-eight".