1457457216 has 112 divisors (see below), whose sum is σ = 3957913344. Its totient is φ = 473112576.

The previous prime is 1457457193. The next prime is 1457457223. The reversal of 1457457216 is 6127547541.

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 15 ways as a sum of consecutive naturals, for example, 3365736 + ... + 3366168.

It is an arithmetic number, because the mean of its divisors is an integer number (35338512).

Almost surely, 2^1457457216 is an apocalyptic number.

1457457216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1457457216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1978956672).

1457457216 is an abundant number, since it is smaller than the sum of its proper divisors (2500456128).

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

1457457216 is a wasteful number, since it uses less digits than its factorization.

1457457216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 858 counting only the distinct ones).

The product of its digits is 235200, while the sum is 42.

The square root of 1457457216 is about 38176.6579993587. The cubic root of 1457457216 is about 1133.7882144799.

The spelling of 1457457216 in words is "one billion, four hundred fifty-seven million, four hundred fifty-seven thousand, two hundred sixteen".