5241257280 has 336 divisors, whose sum is σ = 21368430720. Its totient is φ = 1197877248.

The previous prime is 5241257269. The next prime is 5241257297. The reversal of 5241257280 is 827521425.

It is a happy number.

5241257280 is a `hidden beast` number, since 5 + 2 + 4 + 1 + 2 + 572 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 539506 + ... + 549134.

It is an arithmetic number, because the mean of its divisors is an integer number (63596520).

Almost surely, 2^5241257280 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 5241257280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10684215360).

5241257280 is an abundant number, since it is smaller than the sum of its proper divisors (16127173440).

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

5241257280 is an equidigital number, since it uses as much as digits as its factorization.

5241257280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9668 (or 9646 counting only the distinct ones).

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

The square root of 5241257280 is about 72396.5280935488. The cubic root of 5241257280 is about 1737.0480268071.

The spelling of 5241257280 in words is "five billion, two hundred forty-one million, two hundred fifty-seven thousand, two hundred eighty".