5287256460 has 144 divisors (see below), whose sum is σ = 16709172480. Its totient is φ = 1351779840.

The previous prime is 5287256459. The next prime is 5287256543. The reversal of 5287256460 is 646527825.

5287256460 is a `hidden beast` number, since 5 + 2 + 87 + 2 + 564 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 603874 + ... + 612566.

It is an arithmetic number, because the mean of its divisors is an integer number (116035920).

Almost surely, 2^5287256460 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 5287256460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8354586240).

5287256460 is an abundant number, since it is smaller than the sum of its proper divisors (11421916020).

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

5287256460 is a wasteful number, since it uses less digits than its factorization.

5287256460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8848 (or 8843 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 5287256460 is about 72713.5232264260. The cubic root of 5287256460 is about 1742.1148877861.

The spelling of 5287256460 in words is "five billion, two hundred eighty-seven million, two hundred fifty-six thousand, four hundred sixty".