2044334538 has 80 divisors (see below), whose sum is σ = 4711379904. Its totient is φ = 662160960.

The previous prime is 2044334531. The next prime is 2044334549. The reversal of 2044334538 is 8354334402.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2044334531) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2304331 + ... + 2305217.

Almost surely, 2^2044334538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2044334538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2355689952).

2044334538 is an abundant number, since it is smaller than the sum of its proper divisors (2667045366).

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

2044334538 is a wasteful number, since it uses less digits than its factorization.

2044334538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289 (or 1280 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 2044334538 is about 45214.3178429134. The cubic root of 2044334538 is about 1269.1627643615.

The spelling of 2044334538 in words is "two billion, forty-four million, three hundred thirty-four thousand, five hundred thirty-eight".