457664530 has 8 divisors (see below), whose sum is σ = 823796172. Its totient is φ = 183065808.

The previous prime is 457664443. The next prime is 457664549. The reversal of 457664530 is 35466754.

It can be written as a sum of positive squares in 2 ways, for example, as 373996921 + 83667609 = 19339^2 + 9147^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 22883217 + ... + 22883236.

Almost surely, 2^457664530 is an apocalyptic number.

457664530 is a deficient number, since it is larger than the sum of its proper divisors (366131642).

457664530 is a wasteful number, since it uses less digits than its factorization.

457664530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45766460.

The product of its (nonzero) digits is 302400, while the sum is 40.

The square root of 457664530 is about 21393.0953814543. The cubic root of 457664530 is about 770.6356307652.

The spelling of 457664530 in words is "four hundred fifty-seven million, six hundred sixty-four thousand, five hundred thirty".