1003440412 has 48 divisors (see below), whose sum is σ = 2015419392. Its totient is φ = 433540800.

The previous prime is 1003440409. The next prime is 1003440461. The reversal of 1003440412 is 2140443001.

It is a self number, because there is not a number n which added to its sum of digits gives 1003440412.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 47287 + ... + 65137.

It is an arithmetic number, because the mean of its divisors is an integer number (41987904).

Almost surely, 2^1003440412 is an apocalyptic number.

It is an amenable number.

1003440412 is an abundant number, since it is smaller than the sum of its proper divisors (1011978980).

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

1003440412 is a wasteful number, since it uses less digits than its factorization.

1003440412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17938 (or 17936 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1003440412 is about 31677.1275844260. The cubic root of 1003440412 is about 1001.1454913486.

Adding to 1003440412 its reverse (2140443001), we get a palindrome (3143883413).

The spelling of 1003440412 in words is "one billion, three million, four hundred forty thousand, four hundred twelve".