1144244413320 has 64 divisors (see below), whose sum is σ = 3432881675520. Its totient is φ = 305118649344.

The previous prime is 1144244413297. The next prime is 1144244413321. The reversal of 1144244413320 is 233144424411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1144244413321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2757297 + ... + 3145023.

It is an arithmetic number, because the mean of its divisors is an integer number (53638776180).

Almost surely, 2^{1144244413320} is an apocalyptic number.

1144244413320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144244413320 is an abundant number, since it is smaller than the sum of its proper divisors (2288637262200).

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

1144244413320 is a wasteful number, since it uses less digits than its factorization.

1144244413320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412334 (or 412330 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 1144244413320 its reverse (233144424411), we get a palindrome (1377388837731).

The spelling of 1144244413320 in words is "one trillion, one hundred forty-four billion, two hundred forty-four million, four hundred thirteen thousand, three hundred twenty".