1103300040 has 128 divisors (see below), whose sum is σ = 3419781120. Its totient is φ = 284544000.

The previous prime is 1103300039. The next prime is 1103300047. The reversal of 1103300040 is 400033011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1103299989 and 1103300025.

It is not an unprimeable number, because it can be changed into a prime (1103300047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 847390 + ... + 848690.

It is an arithmetic number, because the mean of its divisors is an integer number (26717040).

Almost surely, 2^1103300040 is an apocalyptic number.

1103300040 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 1103300040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1709890560).

1103300040 is an abundant number, since it is smaller than the sum of its proper divisors (2316481080).

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

1103300040 is a wasteful number, since it uses less digits than its factorization.

1103300040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1103300040 is about 33215.9606213639. The cubic root of 1103300040 is about 1033.3113774963.

Adding to 1103300040 its reverse (400033011), we get a palindrome (1503333051).

The spelling of 1103300040 in words is "one billion, one hundred three million, three hundred thousand, forty".