1244442324220 has 48 divisors (see below), whose sum is σ = 2825927637120. Its totient is φ = 458527929344.

The previous prime is 1244442324199. The next prime is 1244442324233. The reversal of 1244442324220 is 224232444421.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38921515 + ... + 38953474.

It is an arithmetic number, because the mean of its divisors is an integer number (58873492440).

Almost surely, 2^{1244442324220} is an apocalyptic number.

1244442324220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244442324220 is an abundant number, since it is smaller than the sum of its proper divisors (1581485312900).

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

1244442324220 is a wasteful number, since it uses less digits than its factorization.

1244442324220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77875062 (or 77875060 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 1244442324220 its reverse (224232444421), we get a palindrome (1468674768641).

The spelling of 1244442324220 in words is "one trillion, two hundred forty-four billion, four hundred forty-two million, three hundred twenty-four thousand, two hundred twenty".