1144344320 has 72 divisors (see below), whose sum is σ = 3132667104. Its totient is φ = 392343552.

The previous prime is 1144344319. The next prime is 1144344329. The reversal of 1144344320 is 234434411.

It is a self number, because there is not a number n which added to its sum of digits gives 1144344320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144344329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54899 + ... + 72818.

Almost surely, 2^1144344320 is an apocalyptic number.

1144344320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144344320 is an abundant number, since it is smaller than the sum of its proper divisors (1988322784).

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

1144344320 is an equidigital number, since it uses as much as digits as its factorization.

1144344320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127745 (or 127731 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1144344320 is about 33828.1586847407. The cubic root of 1144344320 is about 1045.9692235643.

Adding to 1144344320 its reverse (234434411), we get a palindrome (1378778731).

Subtracting from 1144344320 its reverse (234434411), we obtain a palindrome (909909909).

It can be divided in two parts, 114 and 4344320, that added together give a palindrome (4344434).

The spelling of 1144344320 in words is "one billion, one hundred forty-four million, three hundred forty-four thousand, three hundred twenty".