457940506 has 8 divisors (see below), whose sum is σ = 688415220. Its totient is φ = 228468768.

The previous prime is 457940503. The next prime is 457940507. The reversal of 457940506 is 605049754.

It can be written as a sum of positive squares in 2 ways, for example, as 457746025 + 194481 = 21395^2 + 441^2 .

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

It is not an unprimeable number, because it can be changed into a prime (457940503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249601 + ... + 251428.

Almost surely, 2^457940506 is an apocalyptic number.

457940506 is a deficient number, since it is larger than the sum of its proper divisors (230474714).

457940506 is a wasteful number, since it uses less digits than its factorization.

457940506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501488.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 457940506 is about 21399.5445278632. The cubic root of 457940506 is about 770.7904998090.

The spelling of 457940506 in words is "four hundred fifty-seven million, nine hundred forty thousand, five hundred six".