1109946256 has 40 divisors (see below), whose sum is σ = 2269854720. Its totient is φ = 524336256.

The previous prime is 1109946251. The next prime is 1109946263. The reversal of 1109946256 is 6526499011.

It is not an unprimeable number, because it can be changed into a prime (1109946251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111666 + ... + 121198.

It is an arithmetic number, because the mean of its divisors is an integer number (56746368).

Almost surely, 2^1109946256 is an apocalyptic number.

1109946256 is a gapful number since it is divisible by the number (16) 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 1109946256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1134927360).

1109946256 is an abundant number, since it is smaller than the sum of its proper divisors (1159908464).

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

1109946256 is a wasteful number, since it uses less digits than its factorization.

1109946256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9943 (or 9937 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 1109946256 is about 33315.8559247695. The cubic root of 1109946256 is about 1035.3820945260.

The spelling of 1109946256 in words is "one billion, one hundred nine million, nine hundred forty-six thousand, two hundred fifty-six".