2013403344 has 20 divisors (see below), whose sum is σ = 5201292096. Its totient is φ = 671134432.

The previous prime is 2013403331. The next prime is 2013403361. The reversal of 2013403344 is 4433043102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20972904 + ... + 20972999.

Almost surely, 2^2013403344 is an apocalyptic number.

2013403344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2013403344 is an abundant number, since it is smaller than the sum of its proper divisors (3187888752).

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

2013403344 is a wasteful number, since it uses less digits than its factorization.

2013403344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41945914 (or 41945908 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2013403344 is about 44870.9632613342. The cubic root of 2013403344 is about 1262.7293117305.

Adding to 2013403344 its reverse (4433043102), we get a palindrome (6446446446).

The spelling of 2013403344 in words is "two billion, thirteen million, four hundred three thousand, three hundred forty-four".