8402286618 has 96 divisors (see below), whose sum is σ = 21058652160. Its totient is φ = 2392903680.

The previous prime is 8402286617. The next prime is 8402286619. The reversal of 8402286618 is 8166822048.

8402286618 is a `hidden beast` number, since 8 + 4 + 0 + 2 + 28 + 6 + 618 = 666.

It is an interprime number because it is at equal distance from previous prime (8402286617) and next prime (8402286619).

It is a super-2 number, since 2×8402286618² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8402286611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3125671 + ... + 3128357.

It is an arithmetic number, because the mean of its divisors is an integer number (219360960).

Almost surely, 2^8402286618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8402286618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10529326080).

8402286618 is an abundant number, since it is smaller than the sum of its proper divisors (12656365542).

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

8402286618 is a wasteful number, since it uses less digits than its factorization.

8402286618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652 (or 3649 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 8402286618 is about 91663.9875741831. The cubic root of 8402286618 is about 2032.9771500860.

The spelling of 8402286618 in words is "eight billion, four hundred two million, two hundred eighty-six thousand, six hundred eighteen".