1057320328 has 8 divisors (see below), whose sum is σ = 1982475630. Its totient is φ = 528660160.

The previous prime is 1057320311. The next prime is 1057320353. The reversal of 1057320328 is 8230237501.

1057320328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 709796164 + 347524164 = 26642^2 + 18642^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1057320328² = 2235852552004055168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057320328.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66082513 + ... + 66082528.

Almost surely, 2^1057320328 is an apocalyptic number.

It is an amenable number.

1057320328 is a deficient number, since it is larger than the sum of its proper divisors (925155302).

1057320328 is a wasteful number, since it uses less digits than its factorization.

1057320328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132165047 (or 132165043 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1057320328 is about 32516.4624152136. The cubic root of 1057320328 is about 1018.7529062208.

Adding to 1057320328 its reverse (8230237501), we get a palindrome (9287557829).

The spelling of 1057320328 in words is "one billion, fifty-seven million, three hundred twenty thousand, three hundred twenty-eight".