1103443440040 has 16 divisors (see below), whose sum is σ = 2482747740180. Its totient is φ = 441377376000.

The previous prime is 1103443440031. The next prime is 1103443440053. The reversal of 1103443440040 is 400443443011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 969945280164 + 133498159876 = 984858^2 + 365374^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1103443439990 and 1103443440008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13793042961 + ... + 13793043040.

Almost surely, 2^{1103443440040} is an apocalyptic number.

1103443440040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103443440040 is an abundant number, since it is smaller than the sum of its proper divisors (1379304300140).

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

1103443440040 is a wasteful number, since it uses less digits than its factorization.

1103443440040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27586086012 (or 27586086008 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1103443440040 its reverse (400443443011), we get a palindrome (1503886883051).

The spelling of 1103443440040 in words is "one trillion, one hundred three billion, four hundred forty-three million, four hundred forty thousand, forty".