1109359650 has 192 divisors, whose sum is σ = 3505489920. Its totient is φ = 226022400.

The previous prime is 1109359639. The next prime is 1109359651. The reversal of 1109359650 is 569539011.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1109359599 and 1109359608.

It is not an unprimeable number, because it can be changed into a prime (1109359651) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 337515 + ... + 340785.

It is an arithmetic number, because the mean of its divisors is an integer number (18257760).

Almost surely, 2^1109359650 is an apocalyptic number.

1109359650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1109359650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1752744960).

1109359650 is an abundant number, since it is smaller than the sum of its proper divisors (2396130270).

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

1109359650 is a wasteful number, since it uses less digits than its factorization.

1109359650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329 (or 3324 counting only the distinct ones).

The product of its (nonzero) digits is 36450, while the sum is 39.

The square root of 1109359650 is about 33307.0510552946. The cubic root of 1109359650 is about 1035.1996627570.

The spelling of 1109359650 in words is "one billion, one hundred nine million, three hundred fifty-nine thousand, six hundred fifty".