5144218272 has 144 divisors (see below), whose sum is σ = 15326962560. Its totient is φ = 1633522176.

The previous prime is 5144218253. The next prime is 5144218283. The reversal of 5144218272 is 2728124415.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 1780413 + ... + 1783299.

It is an arithmetic number, because the mean of its divisors is an integer number (106437240).

Almost surely, 2^5144218272 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 5144218272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7663481280).

5144218272 is an abundant number, since it is smaller than the sum of its proper divisors (10182744288).

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

5144218272 is a wasteful number, since it uses less digits than its factorization.

5144218272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195 (or 3184 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 5144218272 is about 71723.2059517699. The cubic root of 5144218272 is about 1726.2610141773.

The spelling of 5144218272 in words is "five billion, one hundred forty-four million, two hundred eighteen thousand, two hundred seventy-two".