2044440424240 has 40 divisors (see below), whose sum is σ = 4760739587808. Its totient is φ = 816500367360.

The previous prime is 2044440424199. The next prime is 2044440424283. The reversal of 2044440424240 is 424240444402.

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 = 2044440424196 and 2044440424205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19882812 + ... + 19985371.

Almost surely, 2^{2044440424240} is an apocalyptic number.

2044440424240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044440424240 is an abundant number, since it is smaller than the sum of its proper divisors (2716299163568).

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

2044440424240 is a wasteful number, since it uses less digits than its factorization.

2044440424240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39868837 (or 39868831 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 2044440424240 its reverse (424240444402), we get a palindrome (2468680868642).

The spelling of 2044440424240 in words is "two trillion, forty-four billion, four hundred forty million, four hundred twenty-four thousand, two hundred forty".