2044331340 has 72 divisors (see below), whose sum is σ = 5867435280. Its totient is φ = 531832320.

The previous prime is 2044331291. The next prime is 2044331351. The reversal of 2044331340 is 431334402.

It is a self number, because there is not a number n which added to its sum of digits gives 2044331340.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90726 + ... + 110994.

Almost surely, 2^2044331340 is an apocalyptic number.

2044331340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2044331340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2933717640).

2044331340 is an abundant number, since it is smaller than the sum of its proper divisors (3823103940).

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

2044331340 is a wasteful number, since it uses less digits than its factorization.

2044331340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20363 (or 20320 counting only the distinct ones).

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

The square root of 2044331340 is about 45214.2824779958. The cubic root of 2044331340 is about 1269.1621025675.

Adding to 2044331340 its reverse (431334402), we get a palindrome (2475665742).

The spelling of 2044331340 in words is "two billion, forty-four million, three hundred thirty-one thousand, three hundred forty".