1144041520 has 40 divisors (see below), whose sum is σ = 2816364384. Its totient is φ = 430697472.

The previous prime is 1144041499. The next prime is 1144041529. The reversal of 1144041520 is 251404411.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1144041491 and 1144041500.

It is not an unprimeable number, because it can be changed into a prime (1144041529) 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, 419244 + ... + 421963.

Almost surely, 2^1144041520 is an apocalyptic number.

1144041520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144041520 is an abundant number, since it is smaller than the sum of its proper divisors (1672322864).

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

1144041520 is a wasteful number, since it uses less digits than its factorization.

1144041520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841237 (or 841231 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1144041520 is about 33823.6828272736. The cubic root of 1144041520 is about 1045.8769589621.

Adding to 1144041520 its reverse (251404411), we get a palindrome (1395445931).

The spelling of 1144041520 in words is "one billion, one hundred forty-four million, forty-one thousand, five hundred twenty".