1144320344320 has 72 divisors (see below), whose sum is σ = 2741430971160. Its totient is φ = 457656975360.

The previous prime is 1144320344303. The next prime is 1144320344353. The reversal of 1144320344320 is 234430234411.

It can be written as a sum of positive squares in 4 ways, for example, as 98756833536 + 1045563510784 = 314256^2 + 1022528^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8587966 + ... + 8720194.

It is an arithmetic number, because the mean of its divisors is an integer number (38075430155).

Almost surely, 2^{1144320344320} is an apocalyptic number.

1144320344320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144320344320 is an abundant number, since it is smaller than the sum of its proper divisors (1597110626840).

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

1144320344320 is an equidigital number, since it uses as much as digits as its factorization.

1144320344320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139011 (or 138997 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1144320344320 its reverse (234430234411), we get a palindrome (1378750578731).

The spelling of 1144320344320 in words is "one trillion, one hundred forty-four billion, three hundred twenty million, three hundred forty-four thousand, three hundred twenty".