4541121144 has 160 divisors (see below), whose sum is σ = 15301756800. Its totient is φ = 1229152320.

The previous prime is 4541121139. The next prime is 4541121161. The reversal of 4541121144 is 4411211454.

It is a happy number.

4541121144 is a `hidden beast` number, since 4 + 541 + 1 + 2 + 114 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 59839 + ... + 112529.

It is an arithmetic number, because the mean of its divisors is an integer number (95635980).

Almost surely, 2^4541121144 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 4541121144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7650878400).

4541121144 is an abundant number, since it is smaller than the sum of its proper divisors (10760635656).

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

4541121144 is a wasteful number, since it uses less digits than its factorization.

4541121144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52735 (or 52722 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 4541121144 is about 67387.8412178339. The cubic root of 4541121144 is about 1655.9772366121.

Adding to 4541121144 its reverse (4411211454), we get a palindrome (8952332598).

The spelling of 4541121144 in words is "four billion, five hundred forty-one million, one hundred twenty-one thousand, one hundred forty-four".