1144240448 has 56 divisors (see below), whose sum is σ = 2457907200. Its totient is φ = 525381120.

The previous prime is 1144240441. The next prime is 1144240453. The reversal of 1144240448 is 8440424411.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144240441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162113 + ... + 169023.

It is an arithmetic number, because the mean of its divisors is an integer number (43891200).

Almost surely, 2^1144240448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144240448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1228953600).

1144240448 is an abundant number, since it is smaller than the sum of its proper divisors (1313666752).

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

1144240448 is a wasteful number, since it uses less digits than its factorization.

1144240448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7135 (or 7125 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 1144240448 is about 33826.6233608973. The cubic root of 1144240448 is about 1045.9375751053.

Adding to 1144240448 its reverse (8440424411), we get a palindrome (9584664859).

The spelling of 1144240448 in words is "one billion, one hundred forty-four million, two hundred forty thousand, four hundred forty-eight".