1144216044 has 72 divisors (see below), whose sum is σ = 3008933200. Its totient is φ = 380199744.

The previous prime is 1144216039. The next prime is 1144216057. The reversal of 1144216044 is 4406124411.

1144216044 is a `hidden beast` number, since 1 + 14 + 42 + 1 + 604 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1144215999 and 1144216017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 337542 + ... + 340914.

Almost surely, 2^1144216044 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 1144216044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1504466600).

1144216044 is an abundant number, since it is smaller than the sum of its proper divisors (1864717156).

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

1144216044 is a wasteful number, since it uses less digits than its factorization.

1144216044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3741 (or 3727 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1144216044 is about 33826.2626371877. The cubic root of 1144216044 is about 1045.9301392434.

The spelling of 1144216044 in words is "one billion, one hundred forty-four million, two hundred sixteen thousand, forty-four".