5240051280 has 240 divisors, whose sum is σ = 17998914960. Its totient is φ = 1365811200.

The previous prime is 5240051273. The next prime is 5240051281. The reversal of 5240051280 is 821500425.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 256256064 + 4983795216 = 16008^2 + 70596^2 .

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5240051281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10057420 + ... + 10057940.

It is an arithmetic number, because the mean of its divisors is an integer number (74995479).

Almost surely, 2^5240051280 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 5240051280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8999457480).

5240051280 is an abundant number, since it is smaller than the sum of its proper divisors (12758863680).

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

5240051280 is a wasteful number, since it uses less digits than its factorization.

5240051280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 5240051280 is about 72388.1984856648. The cubic root of 5240051280 is about 1736.9147864728.

The spelling of 5240051280 in words is "five billion, two hundred forty million, fifty-one thousand, two hundred eighty".