1144183040 has 576 divisors, whose sum is σ = 3955875840. Its totient is φ = 305233920.

The previous prime is 1144183013. The next prime is 1144183043. The reversal of 1144183040 is 403814411.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (1144183043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24344297 + ... + 24344343.

It is an arithmetic number, because the mean of its divisors is an integer number (6867840).

Almost surely, 2^1144183040 is an apocalyptic number.

1144183040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144183040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1977937920).

1144183040 is an abundant number, since it is smaller than the sum of its proper divisors (2811692800).

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

1144183040 is a wasteful number, since it uses less digits than its factorization.

1144183040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1144183040 is about 33825.7747878744. The cubic root of 1144183040 is about 1045.9200828062.

Adding to 1144183040 its reverse (403814411), we get a palindrome (1547997451).

The spelling of 1144183040 in words is "one billion, one hundred forty-four million, one hundred eighty-three thousand, forty".