1838944448 has 42 divisors (see below), whose sum is σ = 4011071988. Its totient is φ = 835880320.

The previous prime is 1838944439. The next prime is 1838944487. The reversal of 1838944448 is 8444498381.

It is a self number, because there is not a number n which added to its sum of digits gives 1838944448.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 110990 + ... + 126477.

It is an arithmetic number, because the mean of its divisors is an integer number (95501714).

Almost surely, 2^1838944448 is an apocalyptic number.

It is an amenable number.

1838944448 is an abundant number, since it is smaller than the sum of its proper divisors (2172127540).

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

1838944448 is a wasteful number, since it uses less digits than its factorization.

1838944448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237501 (or 237480 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 53.

The square root of 1838944448 is about 42882.9155725214. The cubic root of 1838944448 is about 1225.1507681710.

The spelling of 1838944448 in words is "one billion, eight hundred thirty-eight million, nine hundred forty-four thousand, four hundred forty-eight".