2044123240 has 32 divisors (see below), whose sum is σ = 4629749760. Its totient is φ = 812232000.

The previous prime is 2044123187. The next prime is 2044123241. The reversal of 2044123240 is 423214402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2044123241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163176 + ... + 175255.

It is an arithmetic number, because the mean of its divisors is an integer number (144679680).

Almost surely, 2^2044123240 is an apocalyptic number.

2044123240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044123240 is an abundant number, since it is smaller than the sum of its proper divisors (2585626520).

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

2044123240 is a wasteful number, since it uses less digits than its factorization.

2044123240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338593 (or 338589 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2044123240 is about 45211.9811554415. The cubic root of 2044123240 is about 1269.1190368814.

Adding to 2044123240 its reverse (423214402), we get a palindrome (2467337642).

It can be divided in two parts, 20441 and 23240, that added together give a square (43681 = 209²).

The spelling of 2044123240 in words is "two billion, forty-four million, one hundred twenty-three thousand, two hundred forty".