2044313440 has 48 divisors (see below), whose sum is σ = 5201210448. Its totient is φ = 754822656.

The previous prime is 2044313419. The next prime is 2044313459. The reversal of 2044313440 is 443134402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489342 + ... + 493501.

It is an arithmetic number, because the mean of its divisors is an integer number (108358551).

Almost surely, 2^2044313440 is an apocalyptic number.

2044313440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044313440 is an abundant number, since it is smaller than the sum of its proper divisors (3156897008).

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

2044313440 is a wasteful number, since it uses less digits than its factorization.

2044313440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982871 (or 982863 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2044313440 is about 45214.0845312608. The cubic root of 2044313440 is about 1269.1583983298.

Adding to 2044313440 its reverse (443134402), we get a palindrome (2487447842).

The spelling of 2044313440 in words is "two billion, forty-four million, three hundred thirteen thousand, four hundred forty".