457216408 has 24 divisors (see below), whose sum is σ = 942302340. Its totient is φ = 207825200.

The previous prime is 457216393. The next prime is 457216433. The reversal of 457216408 is 804612754.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235198 + ... + 237133.

Almost surely, 2^457216408 is an apocalyptic number.

It is an amenable number.

457216408 is an abundant number, since it is smaller than the sum of its proper divisors (485085932).

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

457216408 is a wasteful number, since it uses less digits than its factorization.

457216408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472359 (or 472344 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 457216408 is about 21382.6192969898. The cubic root of 457216408 is about 770.3840261279.

The spelling of 457216408 in words is "four hundred fifty-seven million, two hundred sixteen thousand, four hundred eight".