1109746368 has 84 divisors (see below), whose sum is σ = 3186113008. Its totient is φ = 369308160.

The previous prime is 1109746321. The next prime is 1109746369. The reversal of 1109746368 is 8636479011.

It is a happy number.

1109746368 is a `hidden beast` number, since 1 + 1 + 0 + 9 + 7 + 4 + 636 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1109746369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 472878 + ... + 475218.

Almost surely, 2^1109746368 is an apocalyptic number.

1109746368 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 1109746368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1593056504).

1109746368 is an abundant number, since it is smaller than the sum of its proper divisors (2076366640).

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

1109746368 is a wasteful number, since it uses less digits than its factorization.

1109746368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182 (or 3169 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 1109746368 is about 33312.8558967856. The cubic root of 1109746368 is about 1035.3199374982.

The spelling of 1109746368 in words is "one billion, one hundred nine million, seven hundred forty-six thousand, three hundred sixty-eight".