8127535240 has 64 divisors (see below), whose sum is σ = 20037533760. Its totient is φ = 2942411520.

The previous prime is 8127535223. The next prime is 8127535243. The reversal of 8127535240 is 425357218.

It is a self number, because there is not a number n which added to its sum of digits gives 8127535240.

It is not an unprimeable number, because it can be changed into a prime (8127535243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59194 + ... + 140566.

It is an arithmetic number, because the mean of its divisors is an integer number (313086465).

Almost surely, 2^8127535240 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 8127535240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10018766880).

8127535240 is an abundant number, since it is smaller than the sum of its proper divisors (11909998520).

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

8127535240 is a wasteful number, since it uses less digits than its factorization.

8127535240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81622 (or 81618 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 8127535240 is about 90152.8437710092. The cubic root of 8127535240 is about 2010.5719550839.

The spelling of 8127535240 in words is "eight billion, one hundred twenty-seven million, five hundred thirty-five thousand, two hundred forty".