1112194440 has 384 divisors, whose sum is σ = 4456857600. Its totient is φ = 234938880.

The previous prime is 1112194423. The next prime is 1112194537. The reversal of 1112194440 is 444912111.

1112194440 is a `hidden beast` number, since 1 + 1 + 1 + 219 + 4 + 440 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1796451 + ... + 1797069.

It is an arithmetic number, because the mean of its divisors is an integer number (11606400).

Almost surely, 2^1112194440 is an apocalyptic number.

1112194440 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 1112194440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2228428800).

1112194440 is an abundant number, since it is smaller than the sum of its proper divisors (3344663160).

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

1112194440 is a wasteful number, since it uses less digits than its factorization.

1112194440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1112194440 is about 33349.5793076914. The cubic root of 1112194440 is about 1036.0806747847.

The spelling of 1112194440 in words is "one billion, one hundred twelve million, one hundred ninety-four thousand, four hundred forty".