457197290 has 48 divisors (see below), whose sum is σ = 907890984. Its totient is φ = 165644160.

The previous prime is 457197259. The next prime is 457197317. The reversal of 457197290 is 92791754.

It can be written as a sum of positive squares in 4 ways, for example, as 216295849 + 240901441 = 14707^2 + 15521^2 .

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 23 ways as a sum of consecutive naturals, for example, 450824 + ... + 451836.

Almost surely, 2^457197290 is an apocalyptic number.

457197290 is a deficient number, since it is larger than the sum of its proper divisors (450693694).

457197290 is a wasteful number, since it uses less digits than its factorization.

457197290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415 (or 1404 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 457197290 is about 21382.1722469912. The cubic root of 457197290 is about 770.3732883920.

The spelling of 457197290 in words is "four hundred fifty-seven million, one hundred ninety-seven thousand, two hundred ninety".