4123040544 has 144 divisors (see below), whose sum is σ = 13438256832. Its totient is φ = 1174639104.

The previous prime is 4123040539. The next prime is 4123040557. The reversal of 4123040544 is 4450403214.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

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, 749227 + ... + 754709.

It is an arithmetic number, because the mean of its divisors is an integer number (93321228).

Almost surely, 2^4123040544 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 4123040544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6719128416).

4123040544 is an abundant number, since it is smaller than the sum of its proper divisors (9315216288).

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

4123040544 is a wasteful number, since it uses less digits than its factorization.

4123040544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5879 (or 5868 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4123040544 is about 64210.9067370957. The cubic root of 4123040544 is about 1603.5131844799.

Adding to 4123040544 its reverse (4450403214), we get a palindrome (8573443758).

The spelling of 4123040544 in words is "four billion, one hundred twenty-three million, forty thousand, five hundred forty-four".