1109428800 has 84 divisors (see below), whose sum is σ = 3639866736. Its totient is φ = 295846400.

The previous prime is 1109428783. The next prime is 1109428811. The reversal of 1109428800 is 88249011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110766 + ... + 120365.

Almost surely, 2^1109428800 is an apocalyptic number.

1109428800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1109428800 is an abundant number, since it is smaller than the sum of its proper divisors (2530437936).

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

1109428800 is a wasteful number, since it uses less digits than its factorization.

1109428800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231156 (or 231141 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 1109428800 is about 33308.0891076027. The cubic root of 1109428800 is about 1035.2211714322.

The spelling of 1109428800 in words is "one billion, one hundred nine million, four hundred twenty-eight thousand, eight hundred".