1118219328 has 168 divisors, whose sum is σ = 3342680640. Its totient is φ = 357073920.

The previous prime is 1118219327. The next prime is 1118219341. The reversal of 1118219328 is 8239128111.

It is a happy number.

1118219328 is a `hidden beast` number, since 1 + 118 + 219 + 328 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 1118219292 and 1118219301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118219327) 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 23 ways as a sum of consecutive naturals, for example, 1512783 + ... + 1513521.

Almost surely, 2^1118219328 is an apocalyptic number.

1118219328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118219328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1671340320).

1118219328 is an abundant number, since it is smaller than the sum of its proper divisors (2224461312).

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

1118219328 is a wasteful number, since it uses less digits than its factorization.

1118219328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 852 counting only the distinct ones).

The product of its digits is 6912, while the sum is 36.

The square root of 1118219328 is about 33439.7866021899. The cubic root of 1118219328 is about 1037.9481636270.

The spelling of 1118219328 in words is "one billion, one hundred eighteen million, two hundred nineteen thousand, three hundred twenty-eight".