103444440 has 64 divisors (see below), whose sum is σ = 338549760. Its totient is φ = 25077120.

The previous prime is 103444423. The next prime is 103444447. The reversal of 103444440 is 44444301.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 103444440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103444447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37864 + ... + 40503.

It is an arithmetic number, because the mean of its divisors is an integer number (5289840).

Almost surely, 2^103444440 is an apocalyptic number.

103444440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103444440 is an abundant number, since it is smaller than the sum of its proper divisors (235105320).

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

103444440 is a wasteful number, since it uses less digits than its factorization.

103444440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78392 (or 78388 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 103444440 is about 10170.7639831037. The cubic root of 103444440 is about 469.4280654341.

Adding to 103444440 its reverse (44444301), we get a palindrome (147888741).

The spelling of 103444440 in words is "one hundred three million, four hundred forty-four thousand, four hundred forty".