1144244002220 has 96 divisors (see below), whose sum is σ = 2629473960960. Its totient is φ = 414802563840.

The previous prime is 1144244002193. The next prime is 1144244002249. The reversal of 1144244002220 is 222004424411.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144244002220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108279377 + ... + 108289943.

It is an arithmetic number, because the mean of its divisors is an integer number (27390353760).

Almost surely, 2^{1144244002220} is an apocalyptic number.

1144244002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144244002220 is an abundant number, since it is smaller than the sum of its proper divisors (1485229958740).

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

1144244002220 is a wasteful number, since it uses less digits than its factorization.

1144244002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12063 (or 12061 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 1144244002220 its reverse (222004424411), we get a palindrome (1366248426631).

The spelling of 1144244002220 in words is "one trillion, one hundred forty-four billion, two hundred forty-four million, two thousand, two hundred twenty".