5618539242 has 40 divisors (see below), whose sum is σ = 12597091716. Its totient is φ = 1871745408.

The previous prime is 5618539217. The next prime is 5618539249. The reversal of 5618539242 is 2429358165.

5618539242 is a `hidden beast` number, since 5 + 618 + 5 + 3 + 9 + 24 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4665026601 + 953512641 = 68301^2 + 30879^2 .

It is not an unprimeable number, because it can be changed into a prime (5618539249) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 294168 + ... + 312684.

Almost surely, 2^5618539242 is an apocalyptic number.

5618539242 is an abundant number, since it is smaller than the sum of its proper divisors (6978552474).

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

5618539242 is a wasteful number, since it uses less digits than its factorization.

5618539242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20404 (or 20395 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 5618539242 is about 74956.9159050718. The cubic root of 5618539242 is about 1777.7654957800.

The spelling of 5618539242 in words is "five billion, six hundred eighteen million, five hundred thirty-nine thousand, two hundred forty-two".