5280517440 has 336 divisors, whose sum is σ = 20479999680. Its totient is φ = 1279872000.

The previous prime is 5280517427. The next prime is 5280517481. The reversal of 5280517440 is 447150825.

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

It is a junction number, because it is equal to n+sod(n) for n = 5280517395 and 5280517404.

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, 1042915 + ... + 1047965.

It is an arithmetic number, because the mean of its divisors is an integer number (60952380).

Almost surely, 2^5280517440 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 5280517440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10239999840).

5280517440 is an abundant number, since it is smaller than the sum of its proper divisors (15199482240).

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

5280517440 is a wasteful number, since it uses less digits than its factorization.

5280517440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5099 (or 5072 counting only the distinct ones).

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

The square root of 5280517440 is about 72667.1689279278. The cubic root of 5280517440 is about 1741.3744194162.

The spelling of 5280517440 in words is "five billion, two hundred eighty million, five hundred seventeen thousand, four hundred forty".