1103668940 has 48 divisors (see below), whose sum is σ = 2534263200. Its totient is φ = 400404480.

The previous prime is 1103668939. The next prime is 1103668949. The reversal of 1103668940 is 498663011.

It is a junction number, because it is equal to n+sod(n) for n = 1103668894 and 1103668903.

It is not an unprimeable number, because it can be changed into a prime (1103668949) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 93194 + ... + 104366.

It is an arithmetic number, because the mean of its divisors is an integer number (52797150).

Almost surely, 2^1103668940 is an apocalyptic number.

1103668940 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 1103668940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1267131600).

1103668940 is an abundant number, since it is smaller than the sum of its proper divisors (1430594260).

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

1103668940 is a wasteful number, since it uses less digits than its factorization.

1103668940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11642 (or 11640 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1103668940 is about 33221.5132105688. The cubic root of 1103668940 is about 1033.4265308472.

The spelling of 1103668940 in words is "one billion, one hundred three million, six hundred sixty-eight thousand, nine hundred forty".