5144705280 has 720 divisors, whose sum is σ = 21689325504. Its totient is φ = 1147944960.

The previous prime is 5144705263. The next prime is 5144705281. The reversal of 5144705280 is 825074415.

It is a tau number, because it is divible by the number of its divisors (720).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5144705281) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 14826067 + ... + 14826413.

Almost surely, 2^5144705280 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 5144705280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10844662752).

5144705280 is an abundant number, since it is smaller than the sum of its proper divisors (16544620224).

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

5144705280 is a wasteful number, since it uses less digits than its factorization.

5144705280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 5144705280 is about 71726.6009232279. The cubic root of 5144705280 is about 1726.3154880449.

Adding to 5144705280 its reverse (825074415), we get a palindrome (5969779695).

The spelling of 5144705280 in words is "five billion, one hundred forty-four million, seven hundred five thousand, two hundred eighty".