1144244112240 has 80 divisors (see below), whose sum is σ = 3595747991328. Its totient is φ = 300951871488.

The previous prime is 1144244112229. The next prime is 1144244112241. The reversal of 1144244112240 is 422114424411.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1144244112198 and 1144244112207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144244112241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 32637849 + ... + 32672888.

Almost surely, 2^{1144244112240} is an apocalyptic number.

1144244112240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144244112240 is an abundant number, since it is smaller than the sum of its proper divisors (2451503879088).

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

1144244112240 is a wasteful number, since it uses less digits than its factorization.

1144244112240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65310826 (or 65310820 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 1144244112240 its reverse (422114424411), we get a palindrome (1566358536651).

The spelling of 1144244112240 in words is "one trillion, one hundred forty-four billion, two hundred forty-four million, one hundred twelve thousand, two hundred forty".