4866844138 has 48 divisors (see below), whose sum is σ = 8075962440. Its totient is φ = 2186376192.

The previous prime is 4866844123. The next prime is 4866844139. The reversal of 4866844138 is 8314486684.

It can be written as a sum of positive squares in 4 ways, for example, as 2006412849 + 2860431289 = 44793^2 + 53483^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4866844139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14441506 + ... + 14441842.

Almost surely, 2^4866844138 is an apocalyptic number.

4866844138 is a deficient number, since it is larger than the sum of its proper divisors (3209118302).

4866844138 is a wasteful number, since it uses less digits than its factorization.

4866844138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599 (or 520 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 52.

The square root of 4866844138 is about 69762.7704295063. The cubic root of 4866844138 is about 1694.6596124146.

The spelling of 4866844138 in words is "four billion, eight hundred sixty-six million, eight hundred forty-four thousand, one hundred thirty-eight".