457488447 has 32 divisors (see below), whose sum is σ = 673612800. Its totient is φ = 274465152.

The previous prime is 457488443. The next prime is 457488457. The reversal of 457488447 is 744884754.

It is not a de Polignac number, because 457488447 - 2² = 457488443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 457488447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457488443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254829 + ... + 256617.

It is an arithmetic number, because the mean of its divisors is an integer number (21050400).

Almost surely, 2^457488447 is an apocalyptic number.

457488447 is a deficient number, since it is larger than the sum of its proper divisors (216124353).

457488447 is a wasteful number, since it uses less digits than its factorization.

457488447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967.

The product of its digits is 4014080, while the sum is 51.

The square root of 457488447 is about 21388.9795689275. The cubic root of 457488447 is about 770.5367859919.

The spelling of 457488447 in words is "four hundred fifty-seven million, four hundred eighty-eight thousand, four hundred forty-seven".