1116784800 has 288 divisors, whose sum is σ = 4077864000. Its totient is φ = 294958080.

The previous prime is 1116784771. The next prime is 1116784807. The reversal of 1116784800 is 84876111.

1116784800 is a `hidden beast` number, since 11 + 167 + 8 + 480 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×1116784800² = 2494416579022080000, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1116784807) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3218227 + ... + 3218573.

It is an arithmetic number, because the mean of its divisors is an integer number (14159250).

Almost surely, 2^1116784800 is an apocalyptic number.

1116784800 is a gapful number since it is divisible by the number (10) 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 1116784800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2038932000).

1116784800 is an abundant number, since it is smaller than the sum of its proper divisors (2961079200).

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

1116784800 is a wasteful number, since it uses less digits than its factorization.

1116784800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 1116784800 is about 33418.3302994031. The cubic root of 1116784800 is about 1037.5041234655.

The spelling of 1116784800 in words is "one billion, one hundred sixteen million, seven hundred eighty-four thousand, eight hundred".