1103140044 has 36 divisors (see below), whose sum is σ = 2791108320. Its totient is φ = 367368480.

The previous prime is 1103140037. The next prime is 1103140063. The reversal of 1103140044 is 4400413011.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1103139999 and 1103140026.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 26109 + ... + 53739.

Almost surely, 2^1103140044 is an apocalyptic number.

It is an amenable number.

1103140044 is an abundant number, since it is smaller than the sum of its proper divisors (1687968276).

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

1103140044 is a wasteful number, since it uses less digits than its factorization.

1103140044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28750 (or 28745 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1103140044 is about 33213.5521135575. The cubic root of 1103140044 is about 1033.2614262369.

Adding to 1103140044 its reverse (4400413011), we get a palindrome (5503553055).

The spelling of 1103140044 in words is "one billion, one hundred three million, one hundred forty thousand, forty-four".