7685540268 has 96 divisors (see below), whose sum is σ = 21755059200. Its totient is φ = 2061490176.

The previous prime is 7685540267. The next prime is 7685540287. The reversal of 7685540268 is 8620455867.

It is a happy number.

It is a super-2 number, since 2×7685540268² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 7685540268.

It is not an unprimeable number, because it can be changed into a prime (7685540267) 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 31 ways as a sum of consecutive naturals, for example, 577473 + ... + 590631.

It is an arithmetic number, because the mean of its divisors is an integer number (226615200).

Almost surely, 2^7685540268 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 7685540268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10877529600).

7685540268 is an abundant number, since it is smaller than the sum of its proper divisors (14069518932).

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

7685540268 is a wasteful number, since it uses less digits than its factorization.

7685540268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13599 (or 13597 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The square root of 7685540268 is about 87667.2131871431. The cubic root of 7685540268 is about 1973.4439716724.

The spelling of 7685540268 in words is "seven billion, six hundred eighty-five million, five hundred forty thousand, two hundred sixty-eight".