1057290208 has 24 divisors (see below), whose sum is σ = 2241659448. Its totient is φ = 487979904.

The previous prime is 1057290191. The next prime is 1057290229. The reversal of 1057290208 is 8020927501.

It is a super-2 number, since 2×1057290208² = 2235725167865366528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270366 + ... + 1271197.

It is an arithmetic number, because the mean of its divisors is an integer number (93402477).

Almost surely, 2^1057290208 is an apocalyptic number.

It is an amenable number.

1057290208 is an abundant number, since it is smaller than the sum of its proper divisors (1184369240).

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

1057290208 is a wasteful number, since it uses less digits than its factorization.

1057290208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541586 (or 2541578 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 1057290208 is about 32515.9992619018. Note that the first 3 decimals coincide. The cubic root of 1057290208 is about 1018.7432323537.

The spelling of 1057290208 in words is "one billion, fifty-seven million, two hundred ninety thousand, two hundred eight".