2044142420 has 24 divisors (see below), whose sum is σ = 4293652104. Its totient is φ = 817475456.

The previous prime is 2044142389. The next prime is 2044142437. The reversal of 2044142420 is 242414402.

It can be written as a sum of positive squares in 4 ways, for example, as 3632836 + 2040509584 = 1906^2 + 45172^2 .

It is a congruent number.

It is an unprimeable number.

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, 115694 + ... + 132186.

It is an arithmetic number, because the mean of its divisors is an integer number (178902171).

Almost surely, 2^2044142420 is an apocalyptic number.

2044142420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2044142420 is an abundant number, since it is smaller than the sum of its proper divisors (2249509684).

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

2044142420 is a wasteful number, since it uses less digits than its factorization.

2044142420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22699 (or 22697 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 2044142420 is about 45212.1932668611. The cubic root of 2044142420 is about 1269.1230062485.

Adding to 2044142420 its reverse (242414402), we get a palindrome (2286556822).

The spelling of 2044142420 in words is "two billion, forty-four million, one hundred forty-two thousand, four hundred twenty".