1144424000 has 56 divisors (see below), whose sum is σ = 2834185848. Its totient is φ = 457766400.

The previous prime is 1144423999. The next prime is 1144424077. The reversal of 1144424000 is 4244411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24049216 + 1120374784 = 4904^2 + 33472^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 63527 + ... + 79526.

Almost surely, 2^1144424000 is an apocalyptic number.

1144424000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144424000 is an abundant number, since it is smaller than the sum of its proper divisors (1689761848).

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

1144424000 is an equidigital number, since it uses as much as digits as its factorization.

1144424000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143080 (or 143060 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1144424000 is about 33829.3363813126. The cubic root of 1144424000 is about 1045.9934997348.

Adding to 1144424000 its reverse (4244411), we get a palindrome (1148668411).

The spelling of 1144424000 in words is "one billion, one hundred forty-four million, four hundred twenty-four thousand".