1118636328 has 32 divisors (see below), whose sum is σ = 2797688160. Its totient is φ = 372732480.

The previous prime is 1118636327. The next prime is 1118636339. The reversal of 1118636328 is 8236368111.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1118636327) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 65851 + ... + 81077.

It is an arithmetic number, because the mean of its divisors is an integer number (87427755).

Almost surely, 2^1118636328 is an apocalyptic number.

It is an amenable number.

1118636328 is an abundant number, since it is smaller than the sum of its proper divisors (1679051832).

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

1118636328 is a wasteful number, since it uses less digits than its factorization.

1118636328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18297 (or 18293 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 1118636328 is about 33446.0211086461. The cubic root of 1118636328 is about 1038.0771695034.

The spelling of 1118636328 in words is "one billion, one hundred eighteen million, six hundred thirty-six thousand, three hundred twenty-eight".