4144503540 has 96 divisors (see below), whose sum is σ = 11904278400. Its totient is φ = 1076947456.

The previous prime is 4144503527. The next prime is 4144503551. The reversal of 4144503540 is 453054414.

4144503540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 4144503498 and 4144503507.

It is a congruent number.

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, 469447 + ... + 478193.

It is an arithmetic number, because the mean of its divisors is an integer number (124002900).

Almost surely, 2^4144503540 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 4144503540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5952139200).

4144503540 is an abundant number, since it is smaller than the sum of its proper divisors (7759774860).

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

4144503540 is a wasteful number, since it uses less digits than its factorization.

4144503540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8961 (or 8959 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 4144503540 is about 64377.8186955725. The cubic root of 4144503540 is about 1606.2907988446.

Adding to 4144503540 its reverse (453054414), we get a palindrome (4597557954).

The spelling of 4144503540 in words is "four billion, one hundred forty-four million, five hundred three thousand, five hundred forty".