1838046018 has 16 divisors (see below), whose sum is σ = 3892332960. Its totient is φ = 576641856.

The previous prime is 1838045999. The next prime is 1838046019. The reversal of 1838046018 is 8106408381.

It is not an unprimeable number, because it can be changed into a prime (1838046019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9009928 + ... + 9010131.

It is an arithmetic number, because the mean of its divisors is an integer number (243270810).

Almost surely, 2^1838046018 is an apocalyptic number.

1838046018 is an abundant number, since it is smaller than the sum of its proper divisors (2054286942).

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

1838046018 is a wasteful number, since it uses less digits than its factorization.

1838046018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18020081.

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 1838046018 is about 42872.4389089308. The cubic root of 1838046018 is about 1224.9512168273.

The spelling of 1838046018 in words is "one billion, eight hundred thirty-eight million, forty-six thousand, eighteen".