7840358268 has 24 divisors (see below), whose sum is σ = 18326679168. Its totient is φ = 2608808496.

The previous prime is 7840358233. The next prime is 7840358269. The reversal of 7840358268 is 8628530487.

It is a happy number.

It is a super-2 number, since 2×7840358268² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7840358268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7840358269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573496 + ... + 587007.

It is an arithmetic number, because the mean of its divisors is an integer number (763611632).

Almost surely, 2^7840358268 is an apocalyptic number.

It is an amenable number.

7840358268 is an abundant number, since it is smaller than the sum of its proper divisors (10486320900).

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

7840358268 is a wasteful number, since it uses less digits than its factorization.

7840358268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161073 (or 1161071 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The square root of 7840358268 is about 88545.7975739109. The cubic root of 7840358268 is about 1986.6070367946.

The spelling of 7840358268 in words is "seven billion, eight hundred forty million, three hundred fifty-eight thousand, two hundred sixty-eight".