457017680 has 40 divisors (see below), whose sum is σ = 1214362752. Its totient is φ = 156691584.

The previous prime is 457017679. The next prime is 457017719. The reversal of 457017680 is 86710754.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407492 + ... + 408611.

Almost surely, 2^457017680 is an apocalyptic number.

457017680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

457017680 is an abundant number, since it is smaller than the sum of its proper divisors (757345072).

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

457017680 is a wasteful number, since it uses less digits than its factorization.

457017680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816123 (or 816117 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 457017680 is about 21377.9718401910. The cubic root of 457017680 is about 770.2723947716.

The spelling of 457017680 in words is "four hundred fifty-seven million, seventeen thousand, six hundred eighty".