4018806042 has 16 divisors (see below), whose sum is σ = 8150818752. Its totient is φ = 1320734240.

The previous prime is 4018806041. The next prime is 4018806047. The reversal of 4018806042 is 2406088104.

It is a junction number, because it is equal to n+sod(n) for n = 4018805994 and 4018806012.

It is not an unprimeable number, because it can be changed into a prime (4018806041) 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 7 ways as a sum of consecutive naturals, for example, 4716483 + ... + 4717334.

It is an arithmetic number, because the mean of its divisors is an integer number (509426172).

Almost surely, 2^4018806042 is an apocalyptic number.

4018806042 is an abundant number, since it is smaller than the sum of its proper divisors (4132012710).

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

4018806042 is a wasteful number, since it uses less digits than its factorization.

4018806042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9433893.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 4018806042 is about 63394.0536801363. The cubic root of 4018806042 is about 1589.8848909983.

The spelling of 4018806042 in words is "four billion, eighteen million, eight hundred six thousand, forty-two".