1838044002 has 32 divisors (see below), whose sum is σ = 3994398720. Its totient is φ = 561710160.

The previous prime is 1838043947. The next prime is 1838044007. The reversal of 1838044002 is 2004408381.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1838044007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256518 + ... + 263585.

It is an arithmetic number, because the mean of its divisors is an integer number (124824960).

Almost surely, 2^1838044002 is an apocalyptic number.

1838044002 is an abundant number, since it is smaller than the sum of its proper divisors (2156354718).

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

1838044002 is a wasteful number, since it uses less digits than its factorization.

1838044002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520158.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 1838044002 is about 42872.4153973158. The cubic root of 1838044002 is about 1224.9507689780.

The spelling of 1838044002 in words is "one billion, eight hundred thirty-eight million, forty-four thousand, two".