4618427838 has 16 divisors (see below), whose sum is σ = 9486500880. Its totient is φ = 1497868416.

The previous prime is 4618427837. The next prime is 4618427843. The reversal of 4618427838 is 8387248164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4618427837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10401643 + ... + 10402086.

It is an arithmetic number, because the mean of its divisors is an integer number (592906305).

Almost surely, 2^4618427838 is an apocalyptic number.

4618427838 is an abundant number, since it is smaller than the sum of its proper divisors (4868073042).

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

4618427838 is a wasteful number, since it uses less digits than its factorization.

4618427838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20803771.

The product of its digits is 2064384, while the sum is 51.

The square root of 4618427838 is about 67959.0158698609. The cubic root of 4618427838 is about 1665.3213660631.

The spelling of 4618427838 in words is "four billion, six hundred eighteen million, four hundred twenty-seven thousand, eight hundred thirty-eight".