457828090 has 8 divisors (see below), whose sum is σ = 824090580. Its totient is φ = 183131232.

The previous prime is 457828073. The next prime is 457828103. The reversal of 457828090 is 90828754.

It can be written as a sum of positive squares in 2 ways, for example, as 386476281 + 71351809 = 19659^2 + 8447^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22891395 + ... + 22891414.

Almost surely, 2^457828090 is an apocalyptic number.

457828090 is a deficient number, since it is larger than the sum of its proper divisors (366262490).

457828090 is a wasteful number, since it uses less digits than its factorization.

457828090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45782816.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 457828090 is about 21396.9177686881. The cubic root of 457828090 is about 770.7274230010.

The spelling of 457828090 in words is "four hundred fifty-seven million, eight hundred twenty-eight thousand, ninety".