2044542130 has 8 divisors (see below), whose sum is σ = 3680175852. Its totient is φ = 817816848.

The previous prime is 2044542107. The next prime is 2044542133. The reversal of 2044542130 is 312454402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1845647521 + 198894609 = 42961^2 + 14103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2044542095 and 2044542104.

It is not an unprimeable number, because it can be changed into a prime (2044542133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102227097 + ... + 102227116.

Almost surely, 2^2044542130 is an apocalyptic number.

2044542130 is a deficient number, since it is larger than the sum of its proper divisors (1635633722).

2044542130 is a wasteful number, since it uses less digits than its factorization.

2044542130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204454220.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2044542130 is about 45216.6134291369. The cubic root of 2044542130 is about 1269.2057219620.

Adding to 2044542130 its reverse (312454402), we get a palindrome (2356996532).

The spelling of 2044542130 in words is "two billion, forty-four million, five hundred forty-two thousand, one hundred thirty".