2244040320 has 64 divisors (see below), whose sum is σ = 7152884640. Its totient is φ = 598410240.

The previous prime is 2244040301. The next prime is 2244040327. The reversal of 2244040320 is 230404422.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (2244040327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582466 + ... + 586305.

Almost surely, 2^2244040320 is an apocalyptic number.

2244040320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2244040320 is an abundant number, since it is smaller than the sum of its proper divisors (4908844320).

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

2244040320 is a wasteful number, since it uses less digits than its factorization.

2244040320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168793 (or 1168781 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2244040320 is about 47371.3027053299. The cubic root of 2244040320 is about 1309.2127274404.

Adding to 2244040320 its reverse (230404422), we get a palindrome (2474444742).

The spelling of 2244040320 in words is "two billion, two hundred forty-four million, forty thousand, three hundred twenty".