103240044 has 72 divisors (see below), whose sum is σ = 273029120. Its totient is φ = 32853600.

The previous prime is 103240043. The next prime is 103240051. The reversal of 103240044 is 440042301.

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 = 103239999 and 103240026.

It is not an unprimeable number, because it can be changed into a prime (103240043) 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 23 ways as a sum of consecutive naturals, for example, 87579 + ... + 88749.

Almost surely, 2^103240044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103240044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136514560).

103240044 is an abundant number, since it is smaller than the sum of its proper divisors (169789076).

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

103240044 is a wasteful number, since it uses less digits than its factorization.

103240044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291 (or 1286 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 103240044 is about 10160.7108019075. The cubic root of 103240044 is about 469.1186804035.

Adding to 103240044 its reverse (440042301), we get a palindrome (543282345).

The spelling of 103240044 in words is "one hundred three million, two hundred forty thousand, forty-four".