457270866 has 128 divisors (see below), whose sum is σ = 1156055040. Its totient is φ = 132922944.

The previous prime is 457270859. The next prime is 457270871. The reversal of 457270866 is 668072754.

457270866 is a `hidden beast` number, since 4 + 572 + 70 + 8 + 6 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2050431 + ... + 2050653.

It is an arithmetic number, because the mean of its divisors is an integer number (9031680).

Almost surely, 2^457270866 is an apocalyptic number.

457270866 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 457270866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578027520).

457270866 is an abundant number, since it is smaller than the sum of its proper divisors (698784174).

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

457270866 is a wasteful number, since it uses less digits than its factorization.

457270866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 457270866 is about 21383.8926764984. The cubic root of 457270866 is about 770.4146111397.

The spelling of 457270866 in words is "four hundred fifty-seven million, two hundred seventy thousand, eight hundred sixty-six".