1108818432 has 120 divisors (see below), whose sum is σ = 3278735460. Its totient is φ = 360529920.

The previous prime is 1108818409. The next prime is 1108818449. The reversal of 1108818432 is 2348188011.

It can be written as a sum of positive squares in 2 ways, for example, as 837755136 + 271063296 = 28944^2 + 16464^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185994 + ... + 191862.

Almost surely, 2^1108818432 is an apocalyptic number.

1108818432 is a gapful number since it is divisible by the number (12) 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 1108818432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1639367730).

1108818432 is an abundant number, since it is smaller than the sum of its proper divisors (2169917028).

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

1108818432 is an equidigital number, since it uses as much as digits as its factorization.

1108818432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5934 (or 5915 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 1108818432 is about 33298.9253880662. The cubic root of 1108818432 is about 1035.0312893992.

The spelling of 1108818432 in words is "one billion, one hundred eight million, eight hundred eighteen thousand, four hundred thirty-two".