1844452218 has 96 divisors (see below), whose sum is σ = 4407203520. Its totient is φ = 512924160.

The previous prime is 1844452201. The next prime is 1844452219. The reversal of 1844452218 is 8122544481.

It is not an unprimeable number, because it can be changed into a prime (1844452219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1959628 + ... + 1960568.

It is an arithmetic number, because the mean of its divisors is an integer number (45908370).

Almost surely, 2^1844452218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1844452218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2203601760).

1844452218 is an abundant number, since it is smaller than the sum of its proper divisors (2562751302).

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

1844452218 is a wasteful number, since it uses less digits than its factorization.

1844452218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1125 counting only the distinct ones).

The product of its digits is 81920, while the sum is 39.

The square root of 1844452218 is about 42947.0862573935. The cubic root of 1844452218 is about 1226.3726870963.

Adding to 1844452218 its reverse (8122544481), we get a palindrome (9966996699).

The spelling of 1844452218 in words is "one billion, eight hundred forty-four million, four hundred fifty-two thousand, two hundred eighteen".