4544044140 has 96 divisors (see below), whose sum is σ = 13013171136. Its totient is φ = 1184440320.

The previous prime is 4544044129. The next prime is 4544044157. The reversal of 4544044140 is 414404454.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4544044098 and 4544044107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490350 + ... + 499530.

It is an arithmetic number, because the mean of its divisors is an integer number (135553866).

Almost surely, 2^4544044140 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 4544044140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6506585568).

4544044140 is an abundant number, since it is smaller than the sum of its proper divisors (8469126996).

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

4544044140 is a wasteful number, since it uses less digits than its factorization.

4544044140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9379 (or 9377 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

The square root of 4544044140 is about 67409.5255880057. The cubic root of 4544044140 is about 1656.3324628884.

Adding to 4544044140 its reverse (414404454), we get a palindrome (4958448594).

The spelling of 4544044140 in words is "four billion, five hundred forty-four million, forty-four thousand, one hundred forty".