1158326928 has 60 divisors (see below), whose sum is σ = 3536412048. Its totient is φ = 351007680.

The previous prime is 1158326879. The next prime is 1158326933. The reversal of 1158326928 is 8296238511.

1158326928 is a `hidden beast` number, since 1 + 1 + 583 + 2 + 69 + 2 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364050 + ... + 367217.

Almost surely, 2^1158326928 is an apocalyptic number.

1158326928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1158326928 is an abundant number, since it is smaller than the sum of its proper divisors (2378085120).

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

1158326928 is a wasteful number, since it uses less digits than its factorization.

1158326928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731292 (or 731283 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 1158326928 is about 34034.2023264833. The cubic root of 1158326928 is about 1050.2121802497.

It can be divided in two parts, 115832 and 6928, that added together give a triangular number (122760 = T₄₉₅).

The spelling of 1158326928 in words is "one billion, one hundred fifty-eight million, three hundred twenty-six thousand, nine hundred twenty-eight".