1144024040 has 32 divisors (see below), whose sum is σ = 2575044000. Its totient is φ = 457433664.

The previous prime is 1144024033. The next prime is 1144024051. The reversal of 1144024040 is 404204411.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165371 + ... + 172149.

It is an arithmetic number, because the mean of its divisors is an integer number (80470125).

Almost surely, 2^1144024040 is an apocalyptic number.

1144024040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144024040 is an abundant number, since it is smaller than the sum of its proper divisors (1431019960).

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

1144024040 is a wasteful number, since it uses less digits than its factorization.

1144024040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11009 (or 11005 counting only the distinct ones).

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

The square root of 1144024040 is about 33823.4244274586. The cubic root of 1144024040 is about 1045.8716322259.

Adding to 1144024040 its reverse (404204411), we get a palindrome (1548228451).

The spelling of 1144024040 in words is "one billion, one hundred forty-four million, twenty-four thousand, forty".