4120144540 has 24 divisors (see below), whose sum is σ = 8653538880. Its totient is φ = 1647822528.

The previous prime is 4120144487. The next prime is 4120144543. The reversal of 4120144540 is 454410214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120144543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221106 + ... + 239014.

It is an arithmetic number, because the mean of its divisors is an integer number (360564120).

Almost surely, 2^4120144540 is an apocalyptic number.

It is an amenable number.

4120144540 is an abundant number, since it is smaller than the sum of its proper divisors (4533394340).

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

4120144540 is a wasteful number, since it uses less digits than its factorization.

4120144540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29421 (or 29419 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4120144540 is about 64188.3520586095. The cubic root of 4120144540 is about 1603.1376632088.

Adding to 4120144540 its reverse (454410214), we get a palindrome (4574554754).

The spelling of 4120144540 in words is "four billion, one hundred twenty million, one hundred forty-four thousand, five hundred forty".