5287742840 has 64 divisors (see below), whose sum is σ = 12516444000. Its totient is φ = 2007523840.

The previous prime is 5287742777. The next prime is 5287742857. The reversal of 5287742840 is 482477825.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29810 + ... + 107070.

Almost surely, 2^5287742840 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 5287742840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6258222000).

5287742840 is an abundant number, since it is smaller than the sum of its proper divisors (7228701160).

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

5287742840 is a wasteful number, since it uses less digits than its factorization.

5287742840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77360 (or 77356 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 47.

The square root of 5287742840 is about 72716.8676443093. The cubic root of 5287742840 is about 1742.1683057774.

The spelling of 5287742840 in words is "five billion, two hundred eighty-seven million, seven hundred forty-two thousand, eight hundred forty".