2044343440 has 40 divisors (see below), whose sum is σ = 4758766848. Its totient is φ = 816762240.

The previous prime is 2044343423. The next prime is 2044343459. The reversal of 2044343440 is 443434402.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2044343399 and 2044343408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54235 + ... + 83845.

Almost surely, 2^2044343440 is an apocalyptic number.

2044343440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044343440 is an abundant number, since it is smaller than the sum of its proper divisors (2714423408).

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

2044343440 is a wasteful number, since it uses less digits than its factorization.

2044343440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30487 (or 30481 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

The square root of 2044343440 is about 45214.4162850744. The cubic root of 2044343440 is about 1269.1646065372.

Adding to 2044343440 its reverse (443434402), we get a palindrome (2487777842).

The spelling of 2044343440 in words is "two billion, forty-four million, three hundred forty-three thousand, four hundred forty".