1157330328 has 64 divisors (see below), whose sum is σ = 3607269120. Its totient is φ = 300604800.

The previous prime is 1157330249. The next prime is 1157330341. The reversal of 1157330328 is 8230337511.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 15 ways as a sum of consecutive naturals, for example, 311283 + ... + 314978.

It is an arithmetic number, because the mean of its divisors is an integer number (56363580).

Almost surely, 2^1157330328 is an apocalyptic number.

It is an amenable number.

1157330328 is an abundant number, since it is smaller than the sum of its proper divisors (2449938792).

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

1157330328 is a wasteful number, since it uses less digits than its factorization.

1157330328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626288 (or 626284 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1157330328 is about 34019.5580218203. The cubic root of 1157330328 is about 1049.9109003760.

Adding to 1157330328 its reverse (8230337511), we get a palindrome (9387667839).

The spelling of 1157330328 in words is "one billion, one hundred fifty-seven million, three hundred thirty thousand, three hundred twenty-eight".